Date : 30-10-2011

PAINTING INSPECTOR EXAM MULTIPLE CHOICE QUESTION

Prepared by TCA Gafoor ( tcagokl@yahoo.com , http;//tcagafoor.webnode.com)

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Choose the correct answer from the choice (answers on last page)

1. 1000 um =

a. 1cmb. 1mmc. 10mmd. 0.1mm

2. Which one is non metallic abrasivea) Iron Silica b) Steel Shot,c) Steel Grit, d) Grit-Shot Mix

3. VS% relate to

a) Volatileb) Non volatilec) Total Paint volumed) Activator

4. Thixotrops are of _____________ type

a) Liquidb) Solidc) Geld) Gas

5. Addition of thixotropes helps to avoid _________

a) Blistering1

b) Saggingc) Crackingd) Flaking

6. Which coating fault occurs when over thinning a paint

a) Pinholesb) Runc) Spot rustingd) Hair cracking

7. Which fault relate to Peeling

a) Orange peelb) Flakingc) Wrinklingd) Cracking

8. Chemical cleaning is another name for

a) Silver nitrate testb) Potassium ferry cyanide testc) Picklingd) Copper sulphate test

9. Which fault can be avoided when bitumen removed from paint system

a) Bittines b) Blisteringc) Crackingd) Bleeding

10. What is the actual DFT ,if banana gauge shows 335um when checked on galvanizing

a) 335umb) 265umc) 235umd) 435um

11. Ford flow cup nozzle is made of

a) Aluminum alloy2

b) Stainless steelc) Nickeld) Tungsten carbide

12. _______________ can be used to check pressure

a. Hygrometerb. Surface profile needle gaugec. Hypodermic needle gauged. Touch pyrometer

13. Dolly test used to check _____________

a) Hardnessb) Flexibilityc) DFTd) Adhesion

14. What will be the unit of viscosity of a thixotropes paint

a) Secondb) Centipoisesc) Ns/m2

d) Stoke

15. How to use comb gauge on a pipe

a) Perpendicularlyb) Circumferentiallyc) Longitudinallyd) Not possible

16. If the required DFT is 50um ,then the particle size in the paint should be _____

a) 50umb) Above 50umc) Below 50umd) All the above

17. which laminar pigment is best for UV protection3

a) Aluminum Flakeb) MIOc) Glass Flaked) Graphite

18. Fe++ is ______________

a) An atomb) Moleculec) Iond) Iron Substrate

19. Which is cathode in corrosion

a) Waterb) Oxygenc) Substrated) Electrons released

20. Which one is more noble

a) Silverb) Steelc) Magnesiumd) Zinc

21. Hygroscopic slats cause

a) Rash rustingb) Pinholesc) Rogue peakd) Blisters

22. Which pressure suitable for dry blasting

a) 20psib) 100psic) 220psid) 450psi

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23. Degree of roughness related to

a) Abrasive blastingb) Hand and power toolc) Anchor patternd) Abrasive hardness

24. Un fused area in steel is _____________

a) Sliverb) Rogue Peakc) Hackled) Pinhole

25. Transparent layer in replica tape is ____________

a) Milarb) Mylex c) Mylar d) Testex

26. ______________ NOT SUITABLE FOR PROFILE MEASURMENT

a) Dial micrometerb) Surface profile needle gaugec) Surface comparatord) Corn plaster method

27. Burnishing occurs when

a) High pressure Water blastingb) Flame cleaningc) Dry Abrasive blasting d) Needle Gunning

28. Which one is not quantitative

a) Silver nitrate testb) Dolly testc) Bristle sample patch test

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d) Banana gauge test

29. Which is not a property of binder

a) Cohesive strengthb) Leafing effectc) Resist waterd) Hold pigments in suspension

30. Which one is saturated

a) Linceed oilb) Tung oilc) Palm oild) China wood oil

31. Which one is not a pigment

a) Coal tarb) Red leadc) MIOd) Silicone

32. Which one cannot be used for yellow colour paint

a) Chromiumb) Cobaltc) Calciumd) Iron

33. Which one is not toxic

a) Zinc chromateb) Zinc phosphatec) Calcium plumbated) Coal tar

34. Which property of a solvent is not best

a) Low evaporation rateb) Low toxicityc) Low flashpoint

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d) High evaporation rate

35. Paint is a _________________

a) Solutionb) Solutec) Solventd) Dispersion

36. Which one is convertible

a) CR b) Vinylc) Natural Resind) Emulsion

37. Which one is not a direct charge mill

a) Ball millb) Attritor Millc) Bead milld) High Speed Disperser

38. Reccova valve is ____________

a) Control abrasive transferb) Stores abrasivesc) Removes water d) Control air from compressor

39. Specular Hematite is other name

a) Rustb) Millscalec) MIOd) Steel flex

40. Toxicity measured in

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a) Mphb) Psic) Ppmd) Cfm

41. Mixing of two pack can be calculated by

a) Pykno meterb) Closed Abel Cupc) Pyro meterd) Crypto meter

42. Approx viscosity of paint is

a) 1 centi poiseb) 1 stokec) 2.4 Ns/m2d) 1.2 gm/cc

43. Air temperature can be calculated by

a) Hygro meterb) Thermo statc) Limpet gauged) Strobo scope

44. Chalking occurs due toa. Coating ageb. Weatheringc. Shelf life problemd. Hygro scopic salts

45. Vaccume blasting isa. Water blastingb. Abrasive blastingc. Closed blastingd. Air blasting with water

46. Inclusion is defect related toa. Rogue peakb. Laminationc. Hackled. High thickness profile

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47. Which fault happens when over apply zinc silicatea. Saggingb. Runc. Mud crackingd. Holidays

48. Lifting of coating material from surface is ______a. Wrinklingb. Liftingc. Flakingd. Mud cracking

49. _______________ not a destructive testa. PIGb. Saberg Thickness Drillc. Koenig Albertd. Horse Shoe

50. How much air suppled ,if nozzle size is ½ incha. 450 cfmb. 413 cfmc. 100 cfmd. 220 cfm

51. __________ can be applied when Relative humidity = 100%a. Epoxyb. CRc. Poly urethaned. Zinc Rich Epoxy

52. Which PH range is required after chemical cleaning of steel substratea. 7b. 7 - 14c. 4.5 – 7d. 0

53. Which Abrasive is preferred to use on stainless steela. Copper slagb. Steel Gritc. Steel Shotd. Aluminium oxide

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54. Which one is not a property of bindera. Adhesionb. Cohesionc. Evaporationd. Dielectric strength

55. Metal sprayed surfaces can be sealed witha. Phenolicsb. Siliconesc. Cellulose Resinsd. Vinyl

56. A saturated oil can be used in binder fora. Fast dryingb. Shelf lifec. Flexibilityd. Anti skinning

57. Bittiness fault can be happened bya. Millscaleb. Soluble Saltsc. Uneven Profiled. Contamination

58. Which one is a non compliance?a. Coating with added thinnersb. Coating which suitable with the requirements of the EPAc. Coating which suitable for the steel substrated. Coating with non recommended thinner

ANSWERS

1. 1mm10

2. Iron Silica3. Non volatile4. Gel5. Sagging6. Run7. Flaking8. Pickling’9. Bleeding10. 235um (deduct 100um)11. Stainless steel12. Hypodermic needle gauge13. Adhesion14. Stoke15. Longitudinally16. Below 50um17. Aluminum Flake18. Ion19. Electrons released20. Silver21. Blisters22. 100psi23. Anchor pattern24. Sliver25. Mylar26. Surface comparator (assessment only)27. Needle Gunning28. Silver nitrate test29. Leafing effect30. Palm oil31. Silicone 32. Cobalt33. Zinc phosphate34. Low flashpoint35. Dispersion36. Natural Resin37. Bead mill38. Removes water (another name of knockout pot)39. MIO40. Ppm41. Pykno meter (density cup)

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42. 2.4 Ns/m243. Hygro meter (whirling)44. Coating age45. Closed blasting46. Lamination47. Mud cracking48. Flaking49. Horse shoe50. 413 cfm51. Poly urethane52. C53. D54. C55. B56. C57. D58. D

PAINTING INSPECTOR EXAM MULTIPLE CHOICE QUESTION

Prepared by TCA Gafoor ( tcagokl@yahoo.com , http;//tcagafoor.webnode.com)

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