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A master electrician's license is most likely to be held by

14/11/2020 Client: arwaabdullah Deadline: 24 Hours

Student ID: 21973473

Exam: 4400RR - Working Safely with Electricity

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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. A person would probably suffer the most severe electric shock by completing a circuit through his or her A. left hand to left shoulder.

B. right hand to right foot.

C. right hand to right shoulder.

D. left hand to right hand.

2. Before a new electrical installation can be connected to the source of electricity, it must be examined and approved by A. the Underwriters Laboratories.

B. an electrical code committee.

C. the National Fire Protection Association.

D. a local inspection agency.

3. Which one of the following is not one of the standard classifications for an electrician, as used for licensing and testing purposes? A. Apprentice

B. Master

C. Assistant

D. Journeyman

4. To prevent accidental electric shock, most electrical equipment is A. coated.

B. painted.

C. isolated.

D. grounded.

5. A master electrician's license is most likely to be held by A. a maintenance electrician.

B. an electrical contractor.

C. a journeyman electrician.

D. an electrical estimator.

6. The device used to deenergize circuits automatically when a very small ground-fault flows is the A. time delay fuse.

B. safety switch.

C. circuit interrupter.

D. circuit breaker.

7. A maintenance electrician would likely specialize in one kind of work if he is employed in a large A. industrial plant.

B. office building.

C. hospital.

D. apartment house.

8. Knowledge of the NESC would be most beneficial to A. a utility construction electrician.

B. a residential contractor.

C. a maintenance electrician.

D. an industrial construction electrician.

9. During working hours an electrician should not wear A. a Class B hard hat.

B. a wristwatch or ring.

C. a long sleeve shirt.

D. shoes with rubber-type soles and heals.

10. A person can receive an electric shock by A. standing in water.

B. completing an electrical circuit.

C. touching a motor frame.

D. contacting a grounded neutral.

11. When a heart beats out of rhythm, the condition is called A. artificial respiration.

B. ventricular resuscitation.

C. ventricular fibrillation.

D. artificial resuscitation.

12. Which one of the following tools would be provided to construction electricians by an electrical contractor? A. Screwdrivers

B. Wire Strippers

C. Power Conduit Bender

D. Pliers

13. Which of the following organizations would maintain records of tested electrical equipment? A. Institute of Electrical and Electronics Engineers

B. National Electrical Contractors Association

C. Underwriters Laboratories

D. National Fire Protection Association

14. Buildings must be wired to comply with the latest National Electrical Code to ensure that, with adequate maintenance, the installation will be basically A. productive of good service.

B. convenient for tenants.

C. efficient from an economic viewpoint.

D. free from avoidable hazards.

15. OSHA has authority over the employers of A. local government workers.

B. maintenance electricians.

C. coal miners.

D. state government workers.

16. Which one of the following metals is commonly used for electrical wires? A. Lead

B. Tin

C. Iron

D. Copper

17. A person working in an area where fumes from explosive gases are present must wear A. hard-toe shoes.

B. conductive shoes.

C. electrical hazards shoes.

D. safety shoes.

18. You are attempting to help a person who is in contact with a hot wire. Given the importance of time in this situation, the first thing you should do is A. use the nearest nonconducting object to free the person.

B. keep the victim warm.

C. pull the person off the wire with your hands.

D. search around for the circuit breaker to cut off the current.

19. If certain conditions exist, current levels as low as _______ can be fatal. A. 1nA

B. 1A

C. 1µA

End of exam

D. 1mA

20. If an electrician must do electrical work in an area with a damp floor, he can reduce the possibility of shock by A. wearing leather shoes.

B. holding on to a water pipe.

C. working with one hand.

D. standing on a dry board.

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