Second departmental exam metalcraft

Manaoag National High SchoolManaoag, Pangasinan

First Departmental TestTLE – Metalcraft Grade VIII

NAME: _____________________________________ YEAR & SECTION: _______________

I. MULTIPLE CHOICE

Direction: Encircle the letter of the best answer.

This is a discipline in the field of engineering and applied science which deals with the design and application of devices which are usually composed of electrical circuits.

a. Basic Electronics b. Basic Electricity c. Basic ComputerThe rate of flow of electrical charge, the movement of electrons or ions through a conductor.

a. Voltage b. Current c. ResistanceElectrical Pressure measured in volts which causes current to flow through an electrical conductor.

a. Current b. Voltage c. ResistanceThis is a property of conductors measured in ohms.

a. Resistance b. Current c. VoltageThis is the rate at which work is done.

a. Power b. Resistance c. CurrentWhat electronics tool is used for stripping the insulation of stranded wire ends.

a. Diagonal full flush plier b. Long nose plier c. Wire stripperUsed to remove excess or unwanted soldering lead from the board.

a. Pen knife b. Desoldering tool c. Flat fileThis electronics tool is used for intermittent soldering of electrical components

a. Soldering iron/gun b. Glue gun c. BlowtorchTest instrument is used to measure small current flowing in a given circuit component.

a. Ohmmeter b. Voltmeter c. Milliameter

II. TRUE OF FALSEDirection: Write true if the statement is correct and false if the statement is wrong.__________1. The long nose plier is used to cut metal sheets.__________2. The tip of the soldering iron should be washed properly.__________3. The pen knife is used for stripping insulation from wires.__________4. The flat file in used to smoothen the edge of a circuit board and to sharpen the tip of the soldering iron.__________5. The wire stripper is used to cut the flow of current to the electronic device.

III. IDENTIFICATIONDirection: substitute the given series of numbers with the corresponding letters from the English alphabet.

1. Joints two or more wires permanently.

19

15 12 4 5 18 9 14

7 9 18 15 14

2. Used to measure potential differences

22 15 12 20 13 5 20 5 18

3. Used to splice wires

19 9 20 5 3 21

20 20 5 18

4. Turns components which are reactive to metals.

3 5 18 1 13 9 3 4 18 9 22 5 18 19 5 20

5. Used to measure electrical resistance

15

8 13

5 20

5 18

6. Used to hold components in tight areas

16

9 14

3 5 18 19

7. Holds components tightly when soldering

12

15 14

7 14

15

19 5 16 12

9 5 18 19

8. Test and connects two circuit points temporarily

1 12 12 9 7 1 20 15 18 3 12 9 16

9. Used to measure the arte of current in amperes

1 13 13

5 20

5 18

10. Removes soldering lead

4 5 19

15 12 4 5 18 9 14 7 16 21 13

16

IV. MATCHING TYPEColumn A Column B

______ 1. Component which resist or opposes the flow of electric current

a) Capacitorb) Diodec) Electronic

Componentsd) Resistore) Coilf) Integrated circuitg) Fuseh) Antennai) Transformerj) Transistork) Ground

______ 2. Electronic component which stores electrical charges or voltages

______ 3. Semiconductor devices consisting of the anode and the cathode

______ 4. Semiconductor with active and passive elements______ 5. Used in electronic circuits to introduce inductance______ 6. A device for capturing radio frequencies______ 7. Used to protect circuit component from damage due to

overload.______ 8. Used to step up or step down the voltage______ 9. A semiconductor device with three electrodes______ 10. Refer to the parts of a products used in electronic

processes.