A _______ is often used to cut holes to install outlet boxes in old installations.

Student ID: 21973473

Exam: 006026RR - Electricians' Tools

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Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer.

1. Which of the following is the correct Ohm's law formula?

A. I = E/R

B. I = R/E

C. R = I/E

D. P = EI

2. Which of the following types of symbols would be used on an electrical drawing for a large machine? A. Wiring symbols

B. Blueprint symbols

C. Schematic symbols

D. Pictorial symbols

3. A _______ is often used to cut holes to install outlet boxes in old installations. A. keyhole saw

B. hole saw

C. knockout punch

D. hacksaw

4. A multipurpose wiring tool can be used to A. tighten bolts.

B. solder wire.

C. cut armor.

D. crimp terminals.

5. In order for you to properly cut 1/2 inch EMT conduit, how many teeth per inch should a hacksaw blade have? A. 24 teeth per inch

B. 14 teeth per inch

C. 18 teeth per inch

D. 32 teeth per inch

6. In a distribution system that's operating at 4.160 kV, what is the voltage level in volts? A. 0.004160 volts

B. 4.160 volts

C. 4,160 volts

D. 4,160,000 volts

7. Which of the following instruments can detect the presence of a voltage, but not the voltage level? A. Clamp-type meter

B. Wattmeter

C. Multitester

D. Neon circuit tester

8. If a wire has insulation that allows it to operate in a temperature of up to 194 degrees Fahrenheit, what temperature will the wire operate up to in degrees Celsius? A. 108 degrees Celsius

B. 351 degrees Celsius

C. 162 degrees Celsius

D. 90 degrees Celsius

9. An electrician's side-cutting pliers could properly be used to A. cut conduit.

B. shorten a 1/4-inch bolt.

C. splice two wires together.

D. cut large nails.

10. An electrical connection between an electrical circuit or equipment and the earth is called a A. ground.

B. neutral.

C. load.

D. short circuit.

11. Which of the following metals is the best electrical conductor, but isn't used in wire because of its extremely high cost? A. Silver

B. Copper

C. Platinum

D. Zinc

12. An example of a good electrical insulator is A. iron.

B. aluminum.

C. copper.

D. rubber.

13. Which of the following tools should be used only for cutting wire? A. A lineman's pliers

B. A multipurpose wiring tool

C. A diagonal cutter

D. A longnose pliers

14. A #1 Phillips screwdriver has a shaft diameter of

A. 3/16 inch.

B. 1/8 inch.

C. 1/16 inch.

D. 1/4 inch.

15. The Phillips screwdriver that's most often used by electricians is size A. #3.

B. #2.

C. #1.

D. #0.

16. Electricians should use ladders made of fiberglass rather than metal, because metal ladders A. can't be painted.

B. will mar the surface finish of electrical unit covers.

C. can magnetize an electrician's tools.

D. conduct electricity.

17. A clamp-type measuring instrument operates on the principle of A. voltage.

B. resistance.

C. transformance.

D. induction.

18. Which of the following types of drill bit has several cutting diameters on a single bit? A. A spade bit

B. An auger bit

C. A masonry bit

D. A step bit

19. The amp is the basic unit of electrical A. voltage.

B. energy.

End of exam

C. power.

D. current.

20. Which of the following types of tool should be used only on round work, such as rigid or IMC conduit? A. An adjustable wrench

B. A pipe wrench

C. A tugger

D. A diagonal pliers