Section(A:(Unit(1:((

1. What(is(the(primary(piece(of(safety(equipment(in(the(machine(shop?(2. What(can(you(do(if(you(wear(prescription(eyeglasses?(3. Describe(proper(dress(for(the(machine(shop?(4. What(can(be(done(to(control(dust(whle(grinding?(5. What(hazards(exist(from(coolants,(oils,(and(solvents?(6. Describe(proper(lifting(procedure(7. Describe(at(least(two(compressed(air(hazards(8. Describe(good(housekeeping(procedures(9. How(should(long(pieces(of(material(be(carried(

a. vertical(or(with(people(at(both(ends(10. List(at(least(five(points(from(the(safety(checklist(

(Unit(2:(

1. What(is(the(difference(between(a(bolt(and(a(screw(2. How(much(thread(engagement(is(recommended(

a. 1.5(diameter(3. When(are(class(3(threads(used?(

a. stud(bolts(4. Difference(between(machine(bolt(and(cap(screw(

a. not(as(precice(5. outside(diameter(of(no8(machine(screw(

a. d=8*0.013+0.06=.164(6. when(are(set(screws(used(

a. secure(gears(or(pullies(to(shafts(7. when(are(stud(bolts(used(

a. linstead(of(long(bolts(and(guild(assembly(8. difference(between(thread(forming(and(thread(cutting(screws(9. castle(nuts(used(

a. secured(to(bolt(with(cotter(pin(prevents(losening(10. cap(nuts(used(

a. decoration(11. two(reasons(to(use(flat(washers(12. purpose(of(helical(spring(lock(washer(13. when(is(an(internalSexternal(tooth(lock(washer(used(

a. used(on(oversided(holes(or(provide(large(bearing(surface(14. when(are(dowle(pins(used(

a. accurate(allignment(15. taper(pins(used(

a. disassemble(frequently(16. roll(pins(used(

a. do(not(have(to(be(reamed(17. what(are(retaining(rings(

a. bold(bearings(or(seals(on(shaft(18. what(is(the(pourpose(of(a(key(

19. When(is(a(woodruff(keey(used(a. light(force(

20. when(is(a(gibhead(key(used(a. installed(and(removed(from(same(side(

(Section(B:(Unit(1(

1. Why(important(to(know(arbor(press(2. what(kinds(of(presses(are(made(

a. (hand(powered(hydraulic(or(mechanical(3. list(several(uses(of(arbor(press(4. interference(fit(causes(ruined(part(why?(

a. seizing(lot(lubricated(5. ram(of(press(is(loose?(what(problems(could(be(caused?(6. When(a(bussing(is(pressed(into(a(bore(how(much(pressure(should(be(used(7. when(pressing(a(shaft(from(the(inner(race(where(should(the(support(be(8. what(difference(is(there(in(the(way(a(press(fit(is(obtained(between(mandrels(

and(ordinary(shafts(9. prior(to(installing(a(bushing(what(should(be(done?(10. five(ways(to(avoid(breakage(when(pushing(broaches((

Unit(2(1. what(is(the(clamping(position(when(mounting(a(vice(2. name(two(types(of(bence(vices(

a. solid(and(swivel(3. how(is(machinist(vice(measured(for(size(

a. width(of(jaws(4. two(char.(of(insert(jaws(on(vice(5. how(to(protect(surface(finish(6. threee(things(that(shold(never(be(done(to(vice(7. how(to(lubricate(8. a(4(in(machinist(vice(has(4in(wide(jaws(9. purpose(of(soft(jaws(10. parallel(clamps(for(heave(set(up(and(c(clamps(for(precision(Tor(F(11. (never(use(pliers(as(wrenches(12. what(is(advantage(of(lever(jawed(wrence((

a. great(holding(power(13. would(you(use(a(3lb(ball(peen(hamer(for(layout?(

a. no(4S10oz(14. how(to(avoid(damage(when(using(hamer(15. to(tighten(capscrew(adjustable(or(box(wrench(16. why(never(use(pipe(wrence(on(bolts(or(nuts(17. two(things(about(screwdrivers(

(Unit(3(

1. what(is(kerf(

a. grove(produced(2. what(is(the(set(on(a(saw(blade(3. what(is(the(pitch(of(a(saw(blade(4. what(determines(selection(5. baldes(fit(into(two(categories(what’(

a. all(hard(and(flexible(blade(6. what(speed(for(hack(sawing(

a. 40S760(stokes(per(min(7. four(things(that(make(blades(dull(8. two(reasons(they(break(9. never(start(a(cut(with(new(blade(10. what(hazards(exist(in(it(breaking(

(Unit(4(

1. how(is(a(file(identified(a. length(shape(cut(and(courseness(

2. what(are(four(cuts((a. single(double(curved(and(rasp(

3. name(four(coursenesses((a. bastard(course(smooth(and(dead(smooth((also(rough,(second(cut)(

4. single(or(double(more(material(5. why(are(faces(slightly(convex(6. blunt(and(tapered(file(

a. blunt(has(same(cross(sectional(area(and(tapered(gets(smaller(7. difference(between(mill(file(and(flat(file(

a. a(mill(file(is(thiner(than(flat(file(8. what(is(warding(file(

a. rectangular(and(tapers(to(small(point(to(get(into(narrow(slots(9. American(vs(swiss(10. corsessnesses(for(needle(files(

a. 00((fine)(to(6((coarse)(11. whay(should(never(touch(12. what(happens(if(too(much(pressure(13. what(causes(dullness(14. why(use(handle(15. how(should(workpeices(be(measured(

a. meause(for(flatness(and(size(16. what(happens(when(surface(is(touched(17. how(does(hardness(affect(selection((

a. soft(workpeice(requires(coarse(teeth(18. ’how(can(rounded(edges(be(avoided(

a. should(never(slip(over(workpeice(19. should(there(be(pressure(on(return(stroke(

a. no(only(on(forward(stroke(20. why(round(file(rotated(while(in(use(

a. improves(surface(finish(

(Unit(5(

1. how(is(hand(reamer(ident\(a. have(a(square(on(the(shank(and(and(long(starting(taper(on(flute(end(

2. what(is(purpose(of(starting(taper(a. reamer(cuts(on(tapered(portion(

3. why(spiral(flute(4. how(does(shank(diameter(compare(5. when(are(expansion(reamers(used(

a. expand(hole(by(small(amounts(6. diff(between(expansion(and(adjustable(7. purpose(of(cutting(fluid(

a. surface(finish(8. why(never(rotate(backward(9. how(much(reaming(allowance(for(hand(reaming(

a. 0.001(and(0.005(in(10. if(repairing(lath(tail(stock(you(would(use(a(_____reamer(

a. morse(taper(reamer((Unit(9(

1. primary(function(of(pedestal(grinder(a. sharpening(tools(

2. why(never(use(for(rough(grinding(3. what(tool(to(true(a(grinder(

a. Desmond(dresser(4. when(sharpening(layout(tools(and(screw(drivers(what(is(primary(concern(

a. overheating((5. three(safety(factors(

a. do(not(gind(nonferrous(material(on(AL(oxide(wheel(6. how(far(is(work(rest(

a. not(more(than(1/16(in(7. why(allow(to(run(before(use(8. what(is(pourpose(of(wheel(blotter(

a. the(bloter(pads(the(flange(pressure(on(the(installed(wheel(9. selection(of(grinding(wheel(10. ring(test(

(Section(C(Unit(1(

1. What(is(the(conversion(for(cm(and(in(a. 2.54(cm(in(1(in(or(0.03937(in(per(mm(

2. how(is(the(yard(defined(a. 1yd(=(3600/3937(m(

(Unit(2(Unit(3(

Unit(4(1. Why(kept(clean(2. why(stor(without(spindle(3. why(clean(before(measuring(4. how(precise(is(standard(micrometer(

a. nearest(thousanth(for(standard(5. what(affects(accuracy(6. what(difference(between(sleve(and(thinble(7. why(still(in(contact(8. how(often(to(verify(size(9. increasi(in(temp(do(to(diameter?(10. what(pourpose(of(friction(thinble(or(ratchet(

(Unit(5(

1. Comparison(measurement(2. what(can(be(said(about(comp(instruments(3. cosine(error(4. how(can(cos(error(be(reduced(5. Match(following(

a. milled(slot(2in(wide(tol(of(0.002(=(adjust(paralles(b. height(transfer(=(height(gage,(dial(test(indicator(c. the(shape(of(a(form(lath(cutter(=(optical(comparitor(d. checking(combination(square(=(precision(square,(cylinder(square,(

square(micrometer(e. diameter(of(1.5in(hole(–(telescoping(gage((f. measueting(shim(–(thickness(gage(

Unit(6(1. wringing(interval(2. why(use(wear(blocks(3. normalize(4. what(are(the(grade(tolerances(

a. 1=(+S0.000002(b. 2=+0.000004(S0.000002(c. 3=+0.000008(–(0.000002(

5. conditioning(stone(6. what(is(microinch(of(surface(finish(7. describe(handeling(precausions(8. what(stack(for(2.0213(9. for(1.9643((10. two(applications(

(Unit(7(

1. 1(degree(descrimination(a. plate(protractor(and(comb(bevel(protractor(

2. universal(bevel(protractor(a. five(minutes(of(arch(

3. use(of((sine(bar(4. figures(5. 37(5in(sine(bar(6. 10S(5(in(what(angle(

(Section(D(Unit(1;(

1. what(is(universal(coding(system(2. what(are(the(three(basic(stainless(steels(and(what(number(series(assigned(to(

them(a. matrensitic(ferric(of(the(400(b. austenic(nonmagnetic(and(nonhardenable(300(

3. How(to(determine(the(following:(a. AISI(c1020(CF(b. ASI(b1140(c. AISI(c4140(d. AISI(8620(HR(e. AISI(b1140(ebony(f. AISI(c1040(

(4. Casting:(determine(ferrous(nonferrous(white(or(grey(cast(5. what(is(O1(W1(6. cost(7. file(slides(of.(is(machinable,(what(is(it(8. steel(that(is(nonmagnetic(is((9. whichj(non(ferrous(metal(is(magnetic(10. properties(of(steel(

(Unit(2(

1. advantages(of(Al(over(steel(disadvantages(2. meaning(of(H(and(T(3. 2(ways(magnesium(differs(4. what(is(major(use(of(copper(how(is(hardened(5. difference(between(brass(and(bronze(6. two(uses(for(nickel(7. lead(tin(and(zinc(have(a(common(property(what(is(it(

a. all(three(resist(corrosion(8. molybdenum(and(tungsten(used(in(what(type(of(steel(

a. alloy(9. babbbitt(metals(used(for(bearings(are(made(in(what(types(

a. tin(lead(and(cadnium(10. pressure(injected(metals(called(

a. pot(metal((Unit(3(

1. heat(AISI(1080(what(happens(

2. heat(AISI(1020(what(happens(3. problems(of(water(hardiening(4. advantages(of(air(an(oil(hardened(tools(5. correct(temp(for(quenching(any(carbon(steel(

a. 50(degrees(above(upper(critical(limit(6. why(temper(7. what(to(consider(when(tempering(8. approximate(temp(for(center(punch(and(the(oxide(colllor(is(

a. 525(F(and(purple(9. cold(chizl(becomes(blue(what(temp(

a. 600F(10. when(temper(11. why(low(carbon(steels(for(case(hardening(12. how(deep(case(13. are(surfaced(harded(always(case(hardened(by(carbonizing(14. three(methods(of(intro(C(

a. roll(pack(or(liquid(carburizing(15. what(method(uses(ammonia(

a. nitriding(16. three(kinds(of(furnaces(

a. electric(gass(oil(and(pot(17. what(happens(when(heated(in(air(18. why(allow(soaking(time(

a. allow(for(dispersion(of(carbon(atoms(and(heat(througally(19. why(agitate(

a. breaks(vapror(barrier(20. furnace(gives(most(control(21. two(char(of(quench(caking(

a. run(from(surface(toward(center(appear(blackened(22. four(causes(23. how(avoid(decarbonizing(

a. controlled(atm.(stainless(steel(foil(covering(in(chips(24. to(types(of(surface(failures(whn(grownd((25. distortion(kept(to(minimum(what(steel(

a. air(hardened((Unit(4(

1. when(is(normalizing(nessesary(2. what(approzx(temp(for(normalizing(

a. 50f(above(upper(critical(limit(3. that(is(spheroidizing(temp(

a. lower(critical(line(1300(4. diff(full(anneal(and(stress(relief(

a. full(goes(through(recovery(recryst(and(growth(whiclt(relief(only(recrystal(distorted(ferrite(grains(

5. when(use(stress(relief(

a. severly(coldworked(steels(6. what(kind(need(spheroid.(

a. high(carbon(steels(7. process(annealing(

a. sheetmetal(stress(releiveing(8. how(cool(for(normalizing(heat(treat(

a. in(still(air( ((

9. after(full(anneal(a. slowly(in(fernace(

10. what(happens(to(machinability(of(low(carb(when(spher(a. they(get(gummy(

(Unit(5(

1. what(do(Rockwell(and(brinell(measue(a. penetration(

2. hardness(and(tensile(a. positive(relation(

3. what(scale(major(load(should(be(used(a. A(major(load(of(60kg((

4. why(not(use(steel(ball(for(harder(steels((5. same(sacle(for(superficial?l(6. ball(penetrator(different?(

a. false(it(is(the(same(for(all(the(scales(using(the(same(diameter(ball(7. diamond(spot(anvil(

a. superficial(testing(8. how(does(roughness(affect(9. decarb(affect(10. curvature(affect(11. brineel(test(what(load(

a. 3000kg(weight(12. what(size(ball(fr(brineell(

(Section(E(Unit(1(

1. how(to(prepare(surface(2. why(place(on(paper(towel(3. how(use(layout(punch(4. comb(square(and(rule(in(layout(5. setting(divider(6. three(scribes(

a. pocket,(engineers(and(machinist(7. why(square(tool(bit(good(scribe(8. optical(center(puch(use(9. why(engraved(rules(10. diff(between(center(punch(and(prick(punch(

a. a(prick(punch(has(a(sharper(tip(30(deg((Unit(2(

1. check(zero(reference(2. how(can(this(be(adjusted(3. measuring(range(of(typical(gage(

a. 10(to(72(in((Section(G(Unit(1(

1. set(patterns(a. raker,(wave(and(straight(

2. define(blade(selection(a. material,(shape,(and(thickness(

3. direction(of(cut(a. back(stroke(

4. what(is(set(a. offset(of(teeth(

5. common(tooth(forms(a. standard,(hook,(and(skip(

6. stock(stop(left(in(place(does(what(7. what(type(of(cutoff(most(likely(found(

a. horiz(band(saw(8. what(are(cutting(fluids(for(9. what(results(if(chips(not(properly(removed(

a. scoring(or(blade(breakage(10. if(blade(is(relaced(what(to(do(

(Unit(2(

1. likely(to(find(abrasive(saw?(2. what(are(advantages(

a. fast(cutting(and(used(with(hard(materials(3. what(types(of(abrasives(

a. AL(oxide(silicon(carbise(and(dimond(4. types(of(bonds(

a. rubber,(shellac(and(resinoid(5. one(advantage(of(cold(saw(

a. close(tolerance(6. what(is(bond(

a. holds(particles(together(7. selecting(abrasive(wheel(8. what(results(if(sawing(nonferrous(metal(9. would(cold(saw(be(precision(

(Unit(3(

1. desc.(blade(grinding(prcedure((

2. bland(weld(procedure(3. weld(grinding(procedure(4. band(blade(guide(purp(5. correct(width(6. what(tools(to(adjust(

a. guide(setting(gage(7. annealing(band(8. desc(process(9. what(is(band(tracking(10. how(is(it(adjusted(

a. adjusting(by(tilting(the(idler(wheel(until(the(band(just(touches(the(backup(bearing(

(Unit(four((

1. what(are(the(sets(a. stright(wave(and(raker(

2. when(scalloped(or(wavy(used(a. nonmetallic(material(

3. info(on(job(selector(a. velocity,(pitch,(powerfeed(set(and(temper(

4. band(velocity(a. feet(per(min(

5. operating(principle(of(var.(speed(pulley(a. pully(flanges(move(toward(one(another(

6. selection(of(speed(ranges(a. setting(the(transmission(

7. safety(a. adjust(speed(when(it(is(at(its(lowest(setting(

8. upper(guild(post(adjust(a. as(close(as(possible(to(workpeice(

9. pitch(sawing(efficiency(10. band(set(have(to(do(with(conturing(

(Section(J(unit(1(

1. six(comp(of(vert(milling(a. knee,(saddle,(ram,(table,(toolhead,(column(

2. parts(used(to(move(longitudinally(a. table(transverse(handwheel(and(table(powerfeed((

3. parts(to(move(saddle(a. cross(transverse(handwheel(

4. what(moves(quill(a. quill(feed(hand(lever(and(handwheel(

5. pourpose(of(table(clamp(a. keeps(it(from(moving(while(other(axies(are(in(motion(

6. spindle(break(a. tool(changes(can(be(made(

7. import(when(changing(spindle(speed(a. spindle(must(stop(before(changes(are(made(

8. why(tool(fastened(to(ram(a. increase(working(capacity(

9. how(is(loose(table(adjust(a. slide(gibs(

10. quill(clamp(a. tightened(to(lock(the(quil(rigidly(while(milling(

Unit(2(1. right(hand(ident(

a. counter(clockwise(2. characteristic(allows(for(plunge(

a. center(cutting(teeth(3. main(diff(between(gen(purp(and(cutting(al(

a. fast(helix(and(polished(flutes(4. when(choose(carbide(

a. abrasive(or(hard(material(5. remove(considerable(amount(of(material((

a. roughfing(mill(6. when(use(tapered(endmill(

a. die(or(mold(milling(to(obtain(precise(taper(7. why(use(carbide(inserts(

a. new(cutting(edges(are(easily(exposed(8. how(are(they(held(

a. collets(or(adapters(9. what(is(the(strongest(

a. the(one(with(the(most(flutes(10. why(quick(change(

a. changed(with(minimm(loss(of(time((Unit(3(

1. how(aligned((a. measuring(from(edge(of(table,(locating(stops(in(t(slots(or(indicating(the(

workpeice(side(2. how(is(vice(aligned(

a. the(solid(vice(jaw(is(indicated(3. when(is(tool(head(alighnemt(cheked(

a. when(squareness(to(machining(table(is(needed(4. why(knee(clamp(tight(

a. knee(will(sage(and(reduce(accuracy(5. why(check(again(after(tool(head(tightened(6. how(can(locate(exactly(over(edge(

a. edge(finder(or(dial(indicator(7. using(edge(finder(

a. suddenly(moves(8. what(rpm(for(edge(finder(

a. 600S800(rpm(9. how(to(eliminate(back(lash(

a. always(position(from(the(same(direction(10. how(center(of(exiting(hole(

a. dial(indicator(mounted(in(the(machine(spindle(Unit(4(

1. when(use(lower(cutting(speeds(a. hard(materials(and(to(maximize(tool(life(

2. when(use(high(cutting(speed(a. good(surface(finish(

3. would(use(calculated(a. change(depending(on(need(

4. when(are(cutting(fluids(used(a. with(HSS(excepts(on(cast(iron(brass(and(nonmetallic(metals(

5. when(perforem(dry(a. carbide(cutter(

6. how(is(tool(life(affected(by(chip(7. maximum(depth(

a. half(the(diameter(of(cutter(in(mild(steel(8. limitation(on(depth(

a. amount(of(material,(power(avalible,(and(rigidity(of(setup(9. calculate(speed(

a. rpm(=(CS(*4/D(10. calculate(feed(

a. feed(rate=#flutes*rpm*f(where(f(is((11. how(is(endmill(centered(over(shaft(

a. machine(dials(12. why(against(feed(direction(

a. ensures(positive(dimensional(movement(and(keeps(the(part(from(being(pulled(into(the(cutter(

13. what(causes(it(to(work(out(of(collet(a. cut(too(heavy(or(tool(is(dull(

14. cutting(angled(surfaces(a. tilting(workpeice(or(head(

15. circular(slots(milled(a. rotary(table(or(indexed(head(

16. square(or(hexagon(on(shaft(a. parts(requiring(sharp(angles(use(dividing(head(

17. purp(of(negative(lead(on(boaring(bar(a. it(is(able(to(machining(a(bore(with(a(square(shoulder(or(bottom(

18. better(surface(a. exchange(one(regular(insert(with(a(wiping(insert(

19. why(layout(20. t(slot(operations(

a. cut(groove(cut(t((Unit(5(

1. when(is(boring(head(used(a. produce(holes(at(precise(locations(

2. why(place(on(paralles(a. allow(holes(to(be(bored(

3. why(locking(screw(a. keep(the(tool(slide(from(moving(during(a(cutting(operation(

4. why(multiple(holes(a. create(different(size(holes(

5. why(determine(tool(movement(a. know(how(much(you(cut(

6. what(would(be(the(best(boring(tool(a. largest(diameter(that(can(be(used(with(the(shortest(shank(

7. why(align(axis(a. only(in(this(position(are(the(rake(and(clearance(angles(correct(as(given(

on(the(tool(8. what(affects(holes(size(

a. sharpness(of(tool,(tool(overhang,(amount(of(feed(per(revolution(9. three(causes(of(deflection(

a. dull,(depth(of(cut,(feed(is(changed(10. cutting(speed(determined(by(

a. kind(of(tool(and(work(material((Section(K(Unit(2(

1. What(cutters(are(mounted(directly(on(spindle(a. face(mills(over(d=6in(

2. what(makes(machining(taper(self(releasing(a. a(taper(with(a(larger(included(angle(will(not(stick(

3. what(amount(of(taper(on(a(national(milling(maching(taper(a. 3.5in(per(foot(

4. when(is(a(style(a(arbor(used(a. when(small(diameter(cutters(are(used(on(light(cuts(and(where(little(

clearance(is(avalible(5. when(is(a(style(b(arbor(used(

a. more(rigidity(needed(dlarger(cuts(6. is(the(friction(enough(to(drive(the(cutter(

a. most(need(keys(7. function(of(spacing(and(bearing(collars(

a. spacing(take(up(space(between(cutter(and(the(end(of(arbor(b. bearing(tide(on(the(arbor(support(bearing(and(provide(support(for(

outer(end(8. result(of(dirty(spacing(collars(

a. inaccurate(machining(and(runout(9. import(in(use(of(arbor(support(bearings(

a. clearance(is(adjusted(correctly(10. when(is(cutter(used(without(drive(keys(

a. delicate(cutter(is(used(with(hand(feeding((Unit(3(

1. what(are(two(basic(kinds(of(milling(cutters(based(on(their(tooth(shape(a. profile(sharpened(cutters(b. form(releiveing(cutters(

2. diff(between(light(and(heavy(duty(milling(cutter(a. light(have(many(teeth(heavy(few(

3. why(plain(milling(cutters(not(used(to(mill(steps(or(groves(a. do(not(have(side(cutting(teeth(

4. straight(tooth(cutter(vs(side(cutter(a. straight(tooth(used(only(to(mill(shallow(grooves(

5. ex(of(half(side(milling(cutter(a. straddle(milling(

6. when(is(metal(sliting(jaw(used(a. slotting(or(cut(off(operations(

7. form(relieved(milling(cutter(a. gear(tooth(cutters(or(corner(relief(cutters(

8. when(are(angular(milling(cutters(used(a. v(notch(dovetail(or(chamfers(

9. right(hand(cutter(rotate?(a. CCW(

((

Unit(4(1. where(should(clamping(bolt(be(located(

a. close(to(workpeice(and(away(from(support(block(2. clamping(on(finished(surface(

a. use(shims(3. when(are(screw(jacks(used(

a. support(piece(or(end(of(clamp(4. when(clamp(a(stop(block(to(table(

a. keep(piece(from(slipping(5. toe(clamps(used(

a. directly(to(the(table(and(top(is(totally(accecible(to(machining(6. swivel(vice(used(

a. angles(7. why(clamp(direct(to(table(

a. more(rigid(8. purp(of(sector(arms(on(a(dividing(head(

a. prevents(errors(9. compensate(for(backlash(in(dividing(head(by(

a. don’t(pass(the(hole(10. milling(machine(attachment(is(used(to(make(circular(groves(

a. rotary(table(or(dividing(head((

(((

Section(B:(Unit(6(1. dif(between(a(set(of(taps(and(serial(taps(

a. a(set(consists(of(three(equal(pitch(dia(and(major(dia(with(differing(#(of(chamefered(threads(serial(have(diff(nominal(diameters(

2. where(spiral(pointed(taps(used(a. used(on(through(holes(or(blind(with(sufficient(chip(space(

3. when(is(a(flutless(spiral(pointed(tap(used(a. sheet(or(soft(metal(where(thickness(is(no(greater(than(one(tap(dia.(

4. when(is(spiral(fluted(tap(used(a. tapping(hole(that(has(a(keyseat(or(to(draw(chips(out(

5. how(are(thread(forming(taps(dif(from(conventional(taps(a. they(do(not(form(chips(

6. how(are(taper(taps(ident(a. (the(taper(of(the(body(3/4in(per(foot(and(by(size(marked(in(shank(

7. why(are(finishing(and(roughing(acme(taps(used(a. the(tap(is(required(to(cut(too(much(in(one(pass(thus(two(are(used(

8. why(are(rake(angles(varied(on(taps(for(dif(mat(a. softer(more(ductile(require(larger(rake(angles(than(do(harder(less(ductile(material(

9. name(3(methods(used(by(tap(manufacturers(to(reduce(friction(a. back(tapering,(relief(of(pitch(diameter,(making(tap(in(interrupted(design,(surface(

treatment,(concave(groove(land(releif(10. adv.(of(fluteless(tap(

a. don’t(produce(chips,(useful(on(thin(material(where(bur(is(difficult(to(remove(Unit(7(

1. what(kind(of(tools(to(drive(taps(by(hand(a. hand(wrenches(or(tNhandle(tap(wrenches(

2. what(is(hand(taper(a. a(fixture(used(to(hold(the(tap(in(precise(alignment(while(hand(tapping(

3. what(is(a(tapping(attachment(a. used(when(tapping(holes(in(a(machine(or(for(production(tapping(

4. 3(factors(affecting(taped(hole(streghth((a. kind(of(material,(percentage(of(thread(used,(depth(of(thread(engagement(

5. how(deep(should(usable(threads(be(in(a(tapped(hole(a. 1(to(1.5(times(the(tap(dia.(of(the(usable(thread(

6. when(should(tap(drill(holes(be(reamed(a. when(close(control(over(percentage(of(thread(engagement(is(needed(or(when(fine(

pitch(is(produced((7. what(causes(taps(to(break(while(tapping(

a. drilled(too(shallow(b. chips(are(packed(tight(into(flutes(c. hard(material(d. inadequate(lubricant(e. cuttinf(speed(to(great(

8. what(causes(rough(or(torn(threads(a. dull(tap,(chips(clogging(the(flute,(inad.(lub,(already(rough(thread(

9. what(causes(over(sized(threads(a. loose(machine(spindle,(mis(aligned(spindle,(oversized(tap,(dull,(chips(packed(in(flute,(

build(up(on(cutting(edge(10. methods(for(removing(broken(taps(

a. drilling(them(out,(electric(discharge(machine((Unit(8(1. what(is(a(die(

a. used(to(cut(external(threads(2. what(tool(used(to(drive(die(

a. a(diestock(is(used(to(hold(the(die(when(hand(threading((i. a(special(die(holder(is(used(when(machine(threading(

3. how(much(adjustment(possible(with(round(split(adj.(die(a. only(a(small(amount.(too(much(may(break(the(die(

4. what(is(purpose(of(the(guide(in(a(twoNpiece(adj.(die(collet(a. align(the(die(square(to(the(workpeice(

5. what(are(import.(parts(to(watch(when(assem.(two(piece(dies(in(a(collet(a. die(is(marked(with(the(same(serial(number(b. the(starting(chamfer(on(the(dies(are(toward(the(guide(

6. where(are(hexagon(rethreading(dies(used(a. clean(and(recut(slightly(damaged(or(rusted(threads(

7. why(do(dies(have(a(chamfer(on(the(cutting(end(a. it(distributes(the(cutting(force(over(multiple(threads(to(aid(in(the(thread(cutting(

operation(8. why(are(cut(fluids(used(

a. they(are(used(to(achieve(threads(with(good(surface(finish(and(close(tolerance(b. gives(long(tool(life(

9. what(diameter(should(rod(be(before(threading(a. it(should(be(no(longer(than(the(nominal(size(b. preferably(0.002(to(0.005(in(undersized(

10. why(should(a(rod(be(chamfered(before(being(threaded(a. it(makes(it(easier(to(start(the(die(b. it(protects(the(starting(thread(on(a(finished(bolt(

(Section(F(Unit(1(

1. in(what(way(do(tool(rakes(positive(neg(affect(surface(fin(a. at(lower(cutting(speeds,(neg(rake(tool(usually(give(poor(SF(than(those(with(positive(

rake(2. soft(mat(tend(to(pressure(weld(at(top(of(cutting(edge.(what(is(this(called(

a. it(is(called(a(built(up(edge(and(causes(a(rough(ragged(cutting(action(that(produces(a(poor(surface(finish(

3. which(indicate(a(greater(disruption(of(the(surface(mat.(thin(uniform(or(thick(segmented(a. thin(uniform(chips(indicate(less(surface(disruption(

4. in(metal(cutting(does(mat(split(ahead(of(tool?(what(does(it(do?(a. NO((b. it(slides(ahead(of(the(tool(on(a(shear(plane(elongating(and(altering(the(grain(

5. which(is(stronger(pos(or(neg(rake?(a. negative(rake(

6. what(affect(does(speed(have(on(sur(finish?(on(surface(disruption(of(grain?(a. higher(cutting(Speed(better(SF(b. there(is(less(disturbance(and(disruption(of(the(grain(structure(at(higher(speeds(

7. how(can(surface(irreg.(caused(by(machining(affect(usefulness(of(part(a. they(introduce(stress(concentrators(b. metal(fatigue(fracture(

8. what(prop(directly(related(to(machibility(a. hardness(b. a(file(is(used(to(determine(hardness(

9. described(safest(chip(a. the(9Nshaped(chip(

10. define(machinability(a. the(relative(difficulty(in(a(machining(operation(with(regard(to(tool(life(SF(and(power(

consumption((Unit(2(

1. if(cutting(speed(for(low(carbon(steel(is(90(what(is(rpm(for(1/8in(bit?(for(.750?(

a. (4(x(CS)/D(b. 2880(rpm(c. 480(rpm(

2. if(used(in(lath(what(should(the(spindle(speed(be(for(both(drill(bits(a. they(would(be(the(same(

3. if(small(drill(bit(can(not(be(set(because(of(machine(limitations(what(could(you(do?(a. user(the(next(lower(speed(setting(or(the(highest(setting(on(the(machine(if(the(

calculated(speed(is(higher(than(the(top(speed(of(the(machine(4. alloy(steel(2in(dia.(having(CS=50(what(should(rpm(be?(

a. 200(rpm(5. 8in(grinding(wheel(CS=6000sfpm?(

a. (4(x(6000)/8=(3000(rpm(6. are(feeds(on(a(drill(press(based(on(inches(per(min(or(in(per(rev(of(spindle?(

a. inches(per(revolution(7. which(roughing(speed(on(a(small(lathe(would(work(best(.1(or(.01(in(per(rev?(

a. 0.010(in(8. what(kind(of(mach.(tool(bases(feed(on(inches(per(min(instead(of(rev?(

a. vertical(and(horizontal(milling(machines((9. approx(what(should(feed(rate(be(on(¾((wide(grinding(wheel(on(a(surface(grinder((

a. about(¼(in(per(table(stroke(10. what(is(the(recom.(feed(rate(for(drills(over(1in(in(dia.(

a. 0.015(to(0.025(in(per(rev((Unit(3(

1. what(are(basic(func(of(cutting(fluid(a. cooling(and(lubricatin(

2. 4(types(a. synthetic(b. semisynthetic(c. emulsions((d. cutting(oil(

3. when(soluable(coolents(become(odorous(or(cutting(oil(becomes(rancid(what(is(done(a. remove(the(cutting(fluid(clean(the(tank(and(replace(with(new(fluid(

4. when(machine(such(as(a(lathe(has(coolant(pump(and(tank(contains(soluable(oil(water(mix(why(not(use(pump(can(

a. the(tamp(oil(will(contaminate(the(soluble(oilNwater(mix(5. synthetics(irritate(workers(why?(

a. they(tend(to(remove(skin(oil(6. what(method(of(applicat.(on(small(drill(press(

a. using(a(pump(oiler(can(contain(the(appropriate(cutting(fluid(7. what(accessories(on(machine(tools,(lathes,(drills(etc(

a. a(coolant(tank(hose(pump(and(nozzle(8. descrbe(most(common(method(of(application(

a. flooding(the(workpieceNtool(area(with(cutting(fluid(9. why(round(nozzle(ineffectinve(on(grinding(wheel(

a. because(the(rapidly(spinning(grinding(wheel(tends(to(blow(it(away(10. spray(mist(cooling(good(for(cooling(not(lubricating(why?(

a. because(only(a(small(amount(of(liquid(that(contains(the(fatty(particles(ever(reaches(the(cutting(area(

((Section(H(unit(1(

1. types(of(drill(presses(a. the(sensitive,(upright(and(raidial(arm(drill(presses(are(the(three(basic(types.(the(

sensitive(drill(press(is(made(for(lightNduty(work(and(provides(the(operator(with(a(

sence(of(feel.(the(upright(is(similar(but(heavyNduty(equipped(with(a(power(feed.(radial(arm(lets(the(operator(position(the(drill((

(Unit(2(1. know(drill(parts(2. determine(the(letter,(number,(fractional,(or(metric(equiv(

(Unit(4(

1. Name(three(import.(things(when(using(drill(press(a. the(three(considerations(would(be(speeds,(feeds,(and(coolants(

2. rpm(calculation(3. what(are(some(reasons(for(excessive(drilling(speed?(what(corrective(measure?(

a. worn(margins(and(outer(corners(broken(down(b. the(drill(can(be(ground(back(to(full(size(and(resharpened(

4. what(can(happen(to(small(dia.(drills(when(the(cutting(speed(is(too(low(a. the(operator(can(increase(the(feed(to(produce(a(chip(b. this(increased(feed(is(often(greater(than(the(drill(can(stand(without(breaking(

5. how(to(tell(if(feed(is(right(a. the(chip(rolls(to(a(close(helix(b. long(stringy(chips(indicate(too(much(feed(

6. in(what(way(are(power(feeds(designated(a. designated(by(a(small(measured(advance(movement(of(the(drill(each(revolution(

7. cutting(fluid(types(a. water(soluable(oils(types(and(cutting(oils(both(organic(and(mineral(

8. how(to(reduce(heat(a. correct(CS(b. sulferized(oil(based(cutting(fluid(helps(reduce(friction(and(cooling(the(cutting(edge(

9. how(can(jamming(of(a(drill(be(avoided(a. pecking(procedure(

10. name(three(uses(for(the(depth(stop(on(a(drill(press(a. limit(the(travel(of(the(drill(b. save(the(table(c. blind(hole(d. counter(sink(or(counter(bore(depth(

11. main(purpose(for(using(work(holding(devices(on(drilling(machines(a. workspace(rigid(b. safety((c. prevent(it(from(turning(with(the(drill(

12. list(work(holding(devices(a. strap(clamps(b. t(bolts(c. step(blocks(d. c(clamps(e. vee(blocks(f. vices((g. gigs(h. angle(plates(i. fixtures(

13. use(of(paralles(a. raise(work(piece(off(the(table(

14. why(should(support(be(close(to(drill(a. the(material(will(deflect(under(the(drill(and(can(break(the(drill(when(it(springs(bak(

15. methods(for(angle(drilling(a. tilting(the(drill(press(table(

16. when(use(vee(block(a. suited(for(holding(round(stock(

17. purpose(of(wiggler(a. locate(the(central(axis(of(the(drill(spindle(

18. when(use(angle(plate(a. some(odd(shaped(work(piece(might(be(difficult(to(set(up(without(an(angle(plate(

19. starting(tap(in(drill(press(a. it(assures(perfect(alignment(with(the(hole(

20. are(jigs(used(in(small(machine(shops(a. not(really(mostly(used(in(a(production(setting(

(Unit(5(

1. when(is(counter(sink(used(a. chamfer(holes(and(provide(tapered(holes(for(flat(head(fasteners(such(as(screws(and(

rivets(2. why(a(variety(of(angles(

a. countersinks(angles(vary(to(match(the(angles(of(different(flat(head(fasteners(or(difficult(taper(hole(requirements(

3. what(is(a(center(drill(a. a(center(drill(is(used(to(make(a(60(degree(ounter(sink(hole(in(workpeices(for(lathes(

and(grinders(4. when(counterbore(used(

a. make(a(concentric(recess(to(make(head(flush(with(the(work(peice(5. relationship(of(pilot(to(hole(size(

a. should(be(a(few(thousanths(of(an(inch(smaller(than(the(hole(but(not(more(than(0.005in(

6. lubrication(of(pilot(a. lubrication(prevents(metal(to(metal(contact(and(prevents(scoring(of(the(hole(surface(

7. as(a(rule(how(do(the(cutting(speeds(of(an(equalNsized(counterbore(and(twist(drill(compare(a. use(one(third(the(cutting(speed(when(counter(boring(or(twist(drill(

8. what(affects(selection(of(feed(and(speed(when(counter(booring(a. mostly(by(the(condition(of(the(equipment(b. avalible(power(c. material(

9. what(is(spotfacing(a. shallow(counterbore(to(create(a(flat(area(for(bolt(or(nut(

10. import(points(should(be(considered(when(making(a(counterbore(setup(a. rigid(setup(b. allow(the(pilot(to(protude(through(the(bottom(and(not(touch(the(table(

(Unit(6(

1. how(is(a(mchine(reamer(ident(a. design(of(the(shank(b. either(stright(or(chamfered((usually(45(degree(chamfer(on(the(cutting(end(

2. what(is(the(diff(between(a(chucking(and(a(rose(reamer(a. chucking(reamer(is(a(finishing(reamer(

i. the(fluted(parts(are(cylindrical(and(the(lands(are(relieved(b. a(rose(ramer(is(a(roughing(reamer(and(can(remove(a(considerable(amount(of(

material(i. slight(back(taper(ii. all(cutting(on(chamfered(end(

3. what(is(a(jobber’s(reamer(a. finishing(reamer((b. like(chucking(reamer(but(with(longer(fluted(body(

4. why(are(shell(reamers(used(

a. more(economical(to(produce(than(solid(reamers(5. how(does(the(surface(finish(of(a(hole(affect(its(accuracy(

a. accurate(hole(size(cannot(be(obtained(without(a(good(surface(finish(6. how(does(cutting(speed(compare(for(drilling(and(reaming(the(same(mat(

a. reaming(CS(is(about(a(third(to(a(half(of(the(drilling(speed(7. how(do(the(feed(rates(compare(between(drilling(and(reaming(

a. feed(rate(is(2(to(3(times(as(great(8. how(much(reaming(allowance(would(you(leave(on(a(1/2in(hole(

a. 1/64in(9. what(is(the(purpose(of(using(cutting((fluid(while(reaming(

a. cool(and(act(as(lub(10. what(can(be(done(to(overcome(chattering(

a. reducing(speed,(increasing(feed(or(using(a(pilot(reamer(11. what(will(cause(oversized(holes(

a. bent(reamer(shank(b. buildup(on(cutting(edge(

12. what(causes(a(bellmouthed(hole((a. misalighment(of(reamer(

13. how(can(poor(surface(finish(be(overcome(a. decreasing(feed(and(checking(reaming(allowance(b. use(of(coolant(

14. when(are(carbide(tipped(reamers(used(a. long(production(runs(b. highly(abrasive(materials(

15. why(is(vibration(harmful(to(carbide(tipped(reamers(a. they(are(brittle(

(Section(I(Unit(1(

1. identify(parts(1. why(should(fine(chips(filings(and(grindings(be(cleaned(from(the(ways(and(slides(frequently(

a. filings(chips(and(abrasive(sludge(scores(the(sliding(surface(b. prevent(damage(

2. why(should(ways(and(slides(be(cleaned(a. heavier(chips(should(be(removed(with(brush(b. never(use(air(jet(c. whipped(with(a(cloth(and(lightly(oiled(

3. nicks(and(scratches(are(damaging(to(lathe(ways(how(to(prevent?(a. most(nicks(come(from(dropping(chucks(b. a(lathe(bord(should(be(used(to(prevent(damage(

4. how(often(lubricated(a. every(day(

5. should(work(begin(immediately(on(a(clean(lathe(a. no(the(oil(on(the(ways(may(have(collected(dirt(b. clean(first(

6. what(should(you(do(when(finishing(on(a(lathe(a. chips(should(be(cleaned((b. ways(should(be(wiped(and(oiled(

7. two(types(of(gibs(used(on(a(lathe(a. straight(b. tapered(

8. how(tight(should(the(gibs(be(a. gibs(on(the(cross(slide(should(be(adjusted(to(have(a(slight(drag(b. coumpound(should(be(set((up(fairly(tight(when(not(being(used(

(Unit(2(

1. if(a(tool(turns(into(the(workpeice(and(gouges(it(what(is(the(cause(a. the(t(bolt(holding(tool(post(to(the(compound(rest(was(not(sufficiently(tightened(

2. how(are(tool(height(adj.(made(on(a(quick(change(tool(holder(a. micrometer(collar(

3. how(are(tool(height(adj.(made(on(a(turret(type(tool(holder(a. placing(shims(under(the(tool(

4. how(does(tool(overhang(affect(turning(a. affects(rigidity(b. cause(chatter(

5. what(tools(used(in(tail(a. drilling(tools(

6. how(fastened(to(tail(a. morse(taper(shank(tool(

7. when(is(the(tailstock(turret(used(a. when(a(series(of(repete(tailstock(operations(is(to(be(performed(on(several(diff(

peices(8. why(quickchange(tool(holder(developed(

a. increase(rigidity(b. greater(production(

9. how(is(a(standard(left(handed(toolholder(identified(a. when(viewed(from(above(the(cutting(tool(is(bent(to(the(right(

10. what(dif(for(carbide(and(HSS(tool(holder](a. for(HSS(the(the(square(tool(bit(hole(is(angled(upward(in(relation(to(the(base(of(

the(toolholder(b. for(carbide(it(should(be(parallel(to(base(

11. which(tool(holder(used(for(turingn(close(to(chuck(a. left(handed(tool(holder(

12. how(are(tool(height(adjst(made(on(standard(tool(holder(a. too(height(differences(are(made(by(swiveling(the(rocker(in(the(toolpost(

13. what(is(the(diff(between(stand.(tool(holder(and(quick(change(a. spped(at(which(tools(can(be(interchanged(b. usually(fastened(more(securely(in(quick(change(c. adj.(in(height(of(quick(tool(does(not(affect(back(rake(

14. are(boring(bars(that(use(the(standard(tool(post(more(or(les(rigid(than(a(quickchange(a. boring(bars(are(less(rigid(in(the(older(style(standard(tool(post(

Unit(3(1. advant.(of(HSS(tools(

a. HSS(easily(shaped(b. produces(better(SF(at(lower(cutting(speed(

2. other(than(hard(an(tough(what(is(most(import(aspect(of(lathe(tool(a. geometric(form(

3. how(do(form(tools(work(a. unlike(single(point(tools(they(producee(a(shape(by(plunging(into(the(work(

4. what(are(problems(with(chip(traps(a. chips(are(not(able(to(clear(b. reduced(SF(c. possibly(boken(tool(

5. why(grind(back(rake(a. some(toolholders(provide(a(built(in(back(rake(of(about(16(degrees(b. and(added(back(rake(in(the(tool(will(be(excessive(

6. when(should(neg(or(zer(rake(be(used(a. zero(for(threading(tools(b. slightly(ne(to(0(for(plastics(and(brass(because(they(tend(to(dig(in(

7. exp(purpose(if(side(and(end(relief(angles(a. side(reliefNallows(tool(to(feed(into(the(work(piece(

b. end(reliefNkeeps(tool(from(rubbing(on(the(workpeice(8. func(of(side(and(back(rakes(

a. side(rake(directs(chip(away(from(the(cut(and(provides(keen(cutting(edge(b. back(rake(provide(smooth(chip(flow(and(good(finishes(

9. who(are(angles(checked(while(grinding(a. grinding(gage(b. protractor(c. optical(comparitor(

10. why(should(trips(be(broken(up(a. long(chips(become(tangled(in(workpeice(and(are(hazardous(to(operator(b. chip(breakers(and(ideal(speed(produce(ideal(chip(

11. in(what(way(can(chips(be(broken(a. coarse(feeds(b. (max(depth(of(cut(c. chip(breakers(

12. what(does(overheating(HSS(cause(in(a(tool(a. small(cracks(to(form(on(cutting(edge(b. tool(will(break(

(Unit(4(

1. describe(lathe(spindle(how(support(chucks(and(collet(a. the(lathe(spindle(is(a(hollow(shaft(that(supports(1(of(3(mounting(device(machined(on(

the(spindle(nose(b. it(has(a(morse(taper(that(will(accommodate(centers(and(collets(

2. spindle(nose(types(a. threaded,(long(taper(drive(and(the(camlock(

3. what(is(indep.(chuck(why(use(a. 4Njaw(chuck(in(which(the(jaws(move(independently(of(the(others(b. it(is(used(to(hold(oddNshaped(workpeices(

4. what(is(universal(chuck(why(used?(a. threeNjaw(dependent(chuck(b. they(hold(and(quickly(center(round(stock(

5. what(chucks(make(possible(the(frequent(adj.(of(chucks(to(provide(minimum(runout(a. combination(chucks(and(adjustNthu(three(jaw(chucks(

6. which(type(of(plates(is(used(on(the(spindle(nose(turn(the(lathe(dog(a. a(drive(plate(

7. what(is(a(live(center(made(of?(how(does(it(fit(the(spindle(nose(a. made(of(soft(steel(b. can(be(turned(up(true(iff(nessesary(c. made(with(a(morse(taper(to(fit(spindle(taper(or(sleeve(if(needed(

8. desc.(face(driver(a. face(drivers(use(multiple(driving(pins((that(dig(into(the(workpeiceand(are(

hydraulically(compensated(for(irregulatities(9. on(which(type(of(plate(are(workpeices(and(fixtures(mounted(

a. workpeices(and(fixtures(are(mounted(on(faceplates.(these(are(identified(by(their(heavy(construction(and(t(lots.(drive(plates(only(have(slots(

10. one(adv(of(using(spring(collet.(disadv.(a. collet(chucks(are(accurate(work(holding(devices.(spring(collets(are(limited(to(smaller(

material(and(to(specific(sizes((Unit(5(

1. how(can(the(shifts(to(the(low(speed(range(be(made(on(the(belt(drive(lathes(that(have(the(step(cone(pulley(

a. disengage(the(spindle(by(pulling(out(the(lock(pin(and(engaging(the(back(gear(2. shifting(procedure(on(var(speed(

a. the(varidrive(is(changed(while(the(motor(is(running(but(the(back(gear(lever(is(shifted(only(with(the(motor(off(

3. how(speed(changes(made(on(gear(head(lathes(a. levers(located(on(the(headstock(can(be(shifted(in(various(arrangements(to(select(

speeds(4. what(leaver(shifted(to(reverse(lead(screw(

a. the(feed(reverse(lever(5. sliding(leavers(used(for(

a. selecting(feeds(or(threads(per(inch(for(threading(6. when(use(carriage(hand(wheel(

a. the(quick(approach(and(return(tool(this(is(used(for(delicate(work(and(when(approaching(a(sholder(or(chuck(jaw(

7. why(not(same(SF(on(face(as(on(the(outside(of(work(piece(a. because(the(crossfeed(is(geared(differently((about(one(third(the(longitudinal(feed)(

the(outside(diameter(would(have(a(coarser(finish(8. why(use(half(nut(lever(

a. it(is(only(used(for(threading(9. how(is(dial(graduated(

a. in(English(units(b. some(are(metric(conversion(collars(

10. how(know(if(calibrated(for(single(or(double(depth(a. you(can(test(with(a(rule(and(a(given(slide(movement(such(as(.125,(.250.(If(the(slide(

moves(half(that(distance(the(lath(is(calibrated(for(double(depth(and(reads(the(same(amount(as(that(taken(off(the(diameter(

(Unit(6(

1. how(to(face(and(center(drill(using(universal(chuck(a. remove(the(chuck(b. mount(independent(chuck(c. ender(the(workpeice(in(chuck(

2. tool(be(above(below(or(at(center(of(spindle(axis(a. be(on(the(center(of(the(lathe(axis(

3. quick(change(gear(box(to(0.012in(is(roughing(or(facing(speed(a. no.(the(resultant(facing(feed(would(be(approximately(0.003(to(0.005(in(which(would(

be(finishing(speed(4. how(to(face(and(how(to(check(

a. the(compound(much(be(swung(to(either(30(or(90(degrees(so(that(the(the(tool(can(be(feed(into(the(face(the(neessesary(amount(

b. use(a(depth(micrometer(to(check(5. what(used(for(facing(shaft(ends(when(they(are(mounted(between(centers(how(dif(than(a(

turning(tool(a. the(right(hand(tool(is(used(for(shaft(ends(b. its(point(is(only(58(degree(included(angle(to(fit(in(the(narrow(space(between(the(

shaft(face(and(the(center(6. rpm=300X4/4=300(7. give(two(reasons(for(center(drilling(a(workpeice(on(a(lathe(

a. center(drilling(is(done(to(prepare(work(for(turning(between(centers(and(for(spotting(workpeices(for(drilling(in(the(lathe(

8. main(causes(of(breakage(a. center(drills(are(broken(as(a(result(of(feeding(the(drill(too(fast(and(having(the(lathe(

speed(too(slow.(breakage(also(can(result(from(having(the(tailstock(off(center(the(work(off(center(in(a(steady(rest(or(a(lack(of(cutting(oil(

9. hwat(happens(when(you(drill(too(deep(a. the(sharp(edge(provides(a(poor(bearing(surfaceand(soon(wears(out(of(round(causing(

machining(problems(such(as(chatter(

10. what(is(the(drill(point(diameter(of(a(number(5(drill(a. 3/16(in(

(Unit(7(

1. adv(and(disadv(of(turning(between(centers(a. a(shaft(between(centers(can(be(turned(end(for(end(without(loss(of(concentricity(and(

it(can(be(removed(from(the(lathe(and(returned(without(loss(of(synchronization(between(thread(and(tool.(Cutting(off(between(centers(is(not(done,(as(it(would(break(the(parting(tool(as(it(would(break(the(parting(tool(and(ruin(the(work(

2. what(other(method(a. the(other(method(is(one(whereby(the(workpeice(is(held(in(a(chuck(on(one(end(and(in(

the(tail(stock(center(on(the(other(3. what(factors(promote(or(increase(chip(curl(so(that(safer(chips(are(formed(

a. coarser(feeds((b. deeper(cuts((c. smaller(rake(angles(d. chip(breakers(

4. three(centers(a. dead((b. live(c. pipe(

5. how(is(dead(center(adjusted(a. with(no(end(play(in(the(workpeice(and(the(bent(tail(of(the(lathe(dog(free(to(move(in(

the(slot(6. why(adjust(

a. because(expansion(of(the(workpeice(from(heat(of(machining(b. the(pressure(and(heat(on(the(center(could(ruin(the(center(

7. why(avoid(overhang(a. excess(overhang(promotes(lack(of(rigidity(

8. calculate(rpm(for(roughing(a(1.5in(saft(of(machine(steel(a. 4CS/D(

9. what(would(the(spacing(between(tool(marks(be(with(a(0.010in(feed(a. the(spacing(would(be(0.01(since(the(tool(moves(that(much(every(revolution(

10. what(should(feed(rate(be(for(roughing(a. 1/5(to(1/10(the(depth(of(cut(b. limited(by(the(machine(strength(

11. how(much(should(be(left(for(finishing(a. 0.015(to(0.030(in(

12. turning(to(size(a. with(15(mill(left(finishing(should(be(started(once(within(tolerance(the(last(finishing(

cut(should(be(taken((Unit(8(1. what(happens(to(the(workpeice(when(the(cutters(are(out(of(line(

a. the(work(becomes(tapered(2. what(happens(to(the(workpeice(when(the(tailstock(is(offset(toward(the(operator(

a. the(work(is(tapered(with(the(small(end(at(the(tailstock(3. name(three(methods(for(alsigning(center(

a. by(the(witness(mark(b. by(using(a(test(bar(c. light(cut(on(work(piece(and(measuring(

4. which(measuring(instrument(is(used(with(a(test(bar(a. dial(indicator(

5. by(what(means(is(the(measuring(done(when(checking(taper(by(taking(a(cut(a. with(a(micrometer.(the(tail(stock(is(set(over(with(a(dial(indicator(

(Unit(9(

1. why(are(drilled(holes(not(used(for(bores(in(machining(parts(such(as(pulleys,(gears,(and(bearing(fits(

a. drilled(holes(are(not(accurate(for(bores(in(machine(parts(b. they(would(be(loose(on(the(shaft(and(would(not(run(true(

2. describe(the(procedure(used(to(produce(drilled(holes(on(workpeices(in(the(lathe(with(mnimm(oversize(and(runout(

a. the(work(is(centerspotted(with(a(centerdrill(at(the(correct(rpm(and(if(the(hole(is(to(be(more(than(3/8(in(in(dia(a(piolot(hole(is(drilled(through.(cutting(fluid(is(used(

b. the(final(size(drill(is(put(through(at(a(lower(speed((3. what(is(the(chief(adv(of(boring(over(reaming(in(the(lath(

a. bores(run(truewith(the(centerline(of(the(lathe(and(the(outside(of(the(work(b. it(is(not(always(possible(when(reaming(bores(that(have(been(drilled(because(the(

reamer(follows(the(eccentricity(or(runout(of(the(bore(4. five(ways(to(eliminate(chatter(

a. shorten(the(bar(overhang(b. reduce(spindle(speed(c. make(sure(tool(is(centered(d. use(as(large(diameter(bar(as(possible(e. reduce(the(nose(radius(of(tool(f. apply(CF(g. use(turned(or(solid(carbide(boring(bars(

5. explain(boring,(counter(boring,(and(boring(blind(holes(a. through(boring(is(making(the(bore(the(same(dia(throughout(the(part(b. counterboring(is(making(two(or(more(diameters(in(the(same(bore(c. blind(holes(are(bores(that(do(not(go(all(the(way(through(

6. by(what(means(are(grooves(and(thread(releifs(in(a(bore(a. made(in(bores(by(means(of(specifically(shaped(or(ground(tools(on(the(boring(bar(

7. reamers(will(follow(an(eccentric(drilled(holesthus(producing(a(bellmouth(bore(with(runout(a. a(floating(reamer(holder(will(help(eliminate(the(bellmouth(but(does(not(remove(the(

runout(8. machine(reamers(produce(a(better(finish(than(is(obtained(by(boring.(how(can(you(get(better(

finish(with(reamer(a. hand(reamers(produce(better(reamers(than(machine(reamers(

9. CS(twice(or(half(that(for(drilling,(feeds(for(reaming(are(twice(or(half(that(of(drilling(a. CS(are(half(of(drilling((b. feed(is(twice(that(of(driliing(

10. which(would(be(best(for(making(a(6in(dia(internal(thread(using(an(engine(lathe(a(tap(or(single(point(threading(tool(

b. large(internal(threads(are(produced(with(a(boring(tool(c. heavy(forces(are(needed(to(turn(large(hand(reamers(d. it(is(not(advisable(to(use(large(taps(on(the(lathe(

11. how(to(avoid(oversize(with(tap(dril(a. tap(drill(can(be(used(as(reamer(by(first(drilling(1/32(or(1/16(undersize(b. procedure(ensures(accurate(drill(size(

12. standard(plug(or(bottoming(tap(can(be(used(when(hand(taping(on(the(lathe.(If(power(is(used(what(is(best(

a. a(spiral(point(tap(works(best(for(power(tapping(13. why(would(threads(cut(by(hand(die(in(a(lathe(not(be(acceptable(for(using(on(a(feed(screw(

with(a(micrometer(a. the(variations(in(pitch(would(cause(the(micrometer(coller(to(give(wrong(readings(b. use(tool(guided(by(the(leadscrew(on(the(lathe(

14. by(what(means(is(tread(relief(on(external(grooves(produced(

a. thread(relief(and(external(groves(are(produced(by(specially(ground(tools(similar(to(internal(grooving(tools(except(that(they(have(less(end(relief(

b. parting(tools(are(often(used(for(making(external(grooves(15. if(cutting(fluid(is(not(used(on(parting(tool(or(chips(do(not(clear(out(of(the(grove(because(of(

heavy(feed(what(is(generally(the(immediate(result(a. parting(tools(tend(to(seize(in(the(work(especially(with(deep(cuts(or(heavy(feed(b. without(CF(seizeing(will(follow(with(the(possibility(of(a(broken(parting(tool(and(

misaligned(or(damaged(work(16. how(to(avoid(chatter(with(parting(tool(

a. maintaining(rigid(setup(b. keeping(enough(feed(to(produce(continuous(chip(

17. three(reasons(for(knurling(a. improve(appearance(b. provide(good(griping(surface(c. increase(dia(for(press(fit(

18. how(do(they(work(a. ordinary(knurls(make(a(straight(or(dimond(patern’(b. displacing(material(at(high(pressure(

19. id(kurl(is(produced(with(a(double(impression(what(can(you(do(to(make(it(develop(a(dimond(patern(

a. they(can(be(readjusted(up(or(down(and(moved(to(a(new(position(b. angling(the(tool(holder(5(deg(may(help(

20. how(can(you(avoid(producing(a(knurl(surface(on(which(the(metal(is(flaking(off(a. stoping(the(knurling(when(the(dimonds(are(almost(sharp(b. use(a(lubricant(while(knurlling(

(Unit(10(

1. disadv(of(v(thread(a. easily(damaged(

2. diff(between(threads(per(inch(and(tread(a. pitch(is(distance(from(one(thread(to(the(other(

3. mane(two(sim(and(dif(between(Amer(Nat(and(Unified(threads(a. amer(nat(std(and(unified(std(threads(both(have(a(60(degree(included(angle(b. based(on(inch(measure((c. sililar(pitch(series(d. depth(of(thread(different(e. class(of(fit(different(

4. reason(for(thread(allowances(and(classes(of(fit(a. to(allow(tolerancing(to(promote(standardization(and(interchangeability(of(parts(

5. what(does(½(N20(UNC(N2A(describe(a. ½(in,(20(threads(per(inch,(unified(national(coarse,(class(2(fit,(external(

6. the(root(truncation(for(unified(threads(and(for(Amer(Nat(threads(is(found(by(.125(P.(What(should(the(flat(on(the(end(of(the(threading(tool(be(for(both(systems(on(a(½(20(thread?(

a. (1/20(X(0.125=0.006in(7. how(far(should(the(compound(set(at(30(deg(move(to(cut(a(½(unified(thread?((the(formula(

.701/n)(How(far(should(the(compound(move(to(cut(a(½N20(amer(national(a. 0.701/20=0.0354(b. 0.75/20=.0375(

8. explain(dif(between(fir(of(threads(and(the(percent(of(threads(a. fit(referes(to(class(of(fit(and(tolerancing(b. percent(refers(to(actual(minor(dia(of(internal(thread,(a(100(percent(being(the(full(

depth(of(the(internal(thread(9. name(two(metric(thread(standard(systems(

a. SI(b. British(Std(ISO(

10. how(are(unified(and(metric(thread(forms(similar(a. both(are(60(deg(forms(

(Unit(11((

1. what(method(with(ingle(point(tool(to(cut(threads?(how(can(a(given(helix(or(lead(be(produced(a. a(series(of(cuts(are(made(in(a(single(grove(with(a(sing(point(tool(by(keeping(the(same(

ratio(and(relative(position(of(the(tool(on(each(pass.(b. quick(change(tool(box(allows(choices(of(various(pitches(or(leads(

2. why(feed(at(compond(set(to(29deg.(a. the(chips(are(less(likely(to(bind(and(tear(b. tool(less(likely(to(break(

3. how(to(check(60deg(angle(a. the(60(deg(angle(checked(with(a(center(gage(or(optical(comparitor(

4. how(can(the(number(of(threads(per(inch(be(checked(a. number(of(teeth(per(inch(can(be(checked(with(screw(gage(or(by(using(a(rule(and(

counting(the(threads(in(one(inch(5. how(is(the(tool(alighned(with(the(work(

a. a(center(gage(is(used(to(align(the(tool(to(the(work(6. is(the(carriage(moved(along(the(ways(by(means(of(gears(when(the(half(nut(lever(is(engaged.(

explain(a. no(the(carriage(is(moved(by(thead(on(the(leadscrew(when(the(half(nuts(are(engaging(

it(7. explain(threading(dial(

(a. even(numbered(threads(may(be(engaged(on(the(half(nut(at(any(line.((b. odd(numbered(at(any(numbered(line(

8. how(fast(should(spindle(be(turning(for(threading(a. slowly(enough(for(the(operator(to(maintain(control(of(the(threading(operation(

9. proced.(for(cutting(left(handed(threads(a. lead(screw(rotation(is(reversed(b. cut(is(made(from(left(to(right(c. compound(set(to(29(degrees(to(left(

10. if(you(have(to(remove(the(tool(how(do(you(reset(to(finish(thread(a. picking(up(the(thread(or(reseting(the(tool(is(a(procedure(used(to(position(a(tool(on(

existing(threads((Unit(12(

1. when(internal(threas(are(made(with(a(tool(what(should(the(bore(size(be(a. minor(diameter(

2. in(what(way(is(percent(of(thread(obtained(a. varying(bore(size(sually(larger(than(minor(dia(b. to(make(tapping(easier(

3. on(what(percent(of(thread(are(tap(drill(charts(usually(based(a. 75(percent(

4. two(adv(in(turning(a(single(point(threading(tool(180(deg(opp(the(operator(a. NNN(

5. 2(adv(of(making(internal(threads(with(1(point(tool(a. large(internal(threads(of(various(forms(can(be(made(b. threads(are(concentric(on(axis(of(work(

6. when(making(internal(threads(should(the(compound(be(swivled(a. to(the(left(of(operator(

7. after(a(scratch(cut(is(made(what(would(be(the(most(convenient(method(to(measure(the(pitch(of(the(internal(thread(

a. a(screw(pich(gage(should(be(used(

8. what(does(deflection(or(spring(of(the(boring(bar(cause(when(cutting(internal(threads(a. boring(bar(and(tool(deflection(cause(the(threads(to(be(undersized(from(the(

calculations(and(setting(on(the(micrometer(collars(9. using(PX.541(as(a(constant(for(unified(single(depth(internal(threads(calculate(the(minor(dia(

for(a(UNC1N8(thread(a. minor(diameter(D(equals:(D=1inN(.125(X(.541(X(2)=.8648(

10. give(two(methods(for(checking(an(internal(thread(for(size(a. threaded(plug(gage,(a(shop(made(plug(gage(or(the(mating(part(

((Unit(13(

1. dif(between(step(tapers(and(slight(tapers(a. steep(tapers(are(quick(releasetapers(and(light(tapers(are(self(holding(tapers(

2. in(what(three(ways(are(tapers(expressed(a. tapers(are(expressed(in(taper(per(foot(b. taper(per(inch(c. angle(

3. desc(6(methods(of(turning(a(taper(a. hand(turning(the(compound(slide(b. offsetting(the(tailstock(and(turning(b/w(centers(c. taper(attachement(

4. whan(a(taper(is(produced(by(the(compound(slide(method(is(the(reading(in(degrees(on(the(compound(swivel(base(the(same(as(the(angle(of(the(finished(work(

a. no.(the(angle(on(the(work(would(be(included(angle,(which(is(twice(that(on(the(compount(setting.(the(angle(on(the(compound(base(is(the(angle(with(the(work(centerline(

5. id(the(swivel(base(is(set(to(35deg(at(the(cross(slide(centerline(index(what(is(the(reading(be(at(the(lathe(centerline(index(

a. the(reading(on(the(centerline(would(be(55(deg((complement)(6. calculate(the(offset(taper((

a. Offset=L(X((DNd)/(2XL1)(7. methods(for(measuring(taper(

a. using(plug(and(ring(gages(b. micrometer(and(layout(lines(c. using(micrometer(and(precision(parallels(and(drill(rod(on(the(surface(plate(d. and(using(a(sine(bar,(gage(blocks,(and(dial(indicator(

8. what(are(2(types(of(taper(atachements(and(what(are(their(adv(over(other(means(of(making(a(taper(

a. plain(and(telescopic(b. internal(external(and(slightly(steep(tapers(can(be(made(c. centers(remain(in(line(power(feed(is(used(

9. most(practical(way(to(measure(tapers(a. a(taper(plug(gage(and(taper(gage(are(the(simplest(to(check(a(taper(

10. kind(of(tapers(made(using(form(tool(or(the(side(of(a(tool(a. chamfers,(v(groves,(and(short(tapers(

(Unit(14(

1. when(should(a(steady(rest(be(used(a. extend(from(the(chuck(more(than(4(times(the(dia(b. unsupported(by(the(dead(center(c. long(and(slender(

2. in(what(ways(can(a(steady(rest(be(useful(a. because(they(are(are(usefull(for(long(pieces(b. heavy(cuts(can(be(taken(c. reduces(chatering(

(3. how(is(the(steady(rest(set(up(on(a(straight(finished(shaft(when(it(has(centers(in(the(ends(

a. near(the(end(of(the(tailstock(of(the(shaft(b. clamped(to(the(lathe(bed(c. jaws(are(locked(and(lub(applied(

4. what(precaustion(be(taken(to(prevent((sciring(of(a(finished(shaft(a. readjust(for(heating(of(part(b. use(soft(jaws(to(protect(finish(

5. how(can(a(steady(rest(be(set(up(when(there(is(no(center(hole(in(the(shaft(a. center(puch(then(adjust(until(it(is(true(with(dead(center(

6. is(it(possible(to(correctly(set(up(a(steadyrest(by(using(a(dial(indicator(on(the(rotating(shaft(to(watch(for(runout(

a. no(7. should(a(steadyrest(be(used(on(a(rough(surface(

a. no(when(the(surface(is(rough(a(bearing(spot(must(be(turned((8. how(use(on(irreg(

a. by(using(a(cat(head(9. when(a(long(slender(shaft(needs(to(be(turned(or(threaded(for(its(entire(length((

a. a(follower(rest(10. how(to(avoid(interference(of(follower(rest(

a. make(part(purp(longer(then(make(undercut(for(steady(rest((Unit(16(

1. purp(of(transltin(thread(forms(a. imparting(motion(or(power(

2. 5(forms(used(for(translating(screws(a. square((b. modified(square(c. acme(d. stub(acme(e. butress(

3. depth(of(thread(be(for(a(square(thread(that(is(4tpi((a. pitch(.250(b. P/2=depth=.125(

4. depth(for(gen(purp(ACME(thread(4tpi(a. pitch(.250(b. .5P+0.01=.135(

5. diff(between(Gen(Purp(and(centering(Acme(a. gen(bear(on(the(flanks(b. centralizing(bear(on(the(major(diameter(

6. what(is(included(angle(of(Acme(a. 29(deg(

7. use(of(stub(Acme(a. coarse(pich(with(shallow(depth(

8. which(form(with(10(deg(included(a. modified(squre(

9. of(translating(which(is(most(used(and(easies(to(manufacture(a. acme(

10. why(use(buttress(a. great(pressure(or(force(in(one(direction(

11. three(start(if(single(is(.125(a. 0.375(

12. def(pitch(a. dis(from(one(thread(to(next(

13. def(lead(

a. dis(a(nut(travels(in(one(rev(14. which(more(force(single(or(multiple(

a. single(15. four(methods(for(indexing(lath(for(multiple(threads(

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16. three(adv(of(multiple(lead(threads(a. they(provide(rapid(traverse(b. more(eff(c. larger(minor(dia(d. stronger(e. furnish(more(bearing(surface(area(

17. what(kinds(can(be(multiple(lead(a. most(b. sharp(v(c. amer(nat(d. unified(e. metric(f. buttress((g. square(h. acme(

18. how(to(determine(number(of(leads(a. you(can(determine(the(number(f(leads(by(counting(the(number(of(starting(groves(

19. why(rough(out(before(finishing(cut(a. roughing(may(move(the(tool(slightly(if(one(has(already(been(fisished(there(is(not(

room(for(allowance(20. why(are(lighter(cuts(taken(whuen(using(the(compund(slide(method(if(indexing(

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