Journeyman Closed Book Exam 11 | REE Board Exam

This is the Multiple Choice Questions Part 11 of the Series in Journeyman Closed Book Exam as one of the Electrical Engineering Board Exam and Registered Master Electrician References. In Preparation for the REE and REE Board Exam make sure to expose yourself and familiarize yourself with each and every question compiled here taken from various sources including but not limited to past Board Exam Questions in the Electrical Engineering field, Electrical Engineering Books, Journals and other Electrical Engineering References.

Continue Practice Exam Test Questions Part 11 of the Series

⇐ Journeyman Closed Book Exam 10 | REE Board Exam

Choose the letter of the best answer in each question.

1. A ______ is a protective device for limiting surge voltages by discharging or bypassing surge current, and it also prevents the continued flow of follow current while remaining capable of repeating these functions.

a. Surge arrester

b. Automatic fuse

c. Fuse

d. Circuit breaker

2. A _____ conductor is one having one or more layers of non-conducting materials that are not recognized as insulation.

a. Bare

b. Covered

c. Insulated

d. Wrapped

3. In a DC circuit, the ratio of watts to voltamperes is __________.

a. Unity

b. Greater than one

c. Less than one

d. Cannot tell what it might be

4. A current limiting overcurrent protective device is a device which will ______ the current flowing in the faulted circuit.

a. Reduce

b. Increase

c. Maintain

d. None of these

5. The horsepower rating of a motor _________.

a. Is a measure of motor efficiency

b. Is the input to the motor

c. Cannot be changed to watts

d. Is the output of the motor

6. A common fuse and circuit breaker works on the principal that _______________.

a. Voltage develops heat

b. Voltage breaks down insulation

c. Current develops heat

d. Current expands a wire

7. The voltage will lead the current when the ___________ in the circuit.

a. Inductive reactance exceeds the capacitive reactance

b. Reactance exceeds the resistance in the circuit

c. Resistance exceeds the reactance

d. Capacitive reactance exceeds the inductive reactance

8. Which of the following is an Allen head bolt?

9. ______ is a self-acting, operating by its own mechanism when actuated by some impersonal influence, as for example, a change in current strength, pressure, temperature, or mechanical configuration.

a. Remote-control

b. Automatic

c. Semi-automatic

d. Controller

10. A 1000 watt, 120 volt lamp uses electrical energy at the same rate as a 14.4 ohm resistor on _______.

a. 120 volts

b. 115 volts

c. 208 volts

d. 240 volts

11. When using compressed air to clean electrical equipment the air pressure should not exceed 50 pounds. The main reason is higher pressures _____________.

a. May loosen insulating tape

b. May blow dust to surrounding equipment

c. Introduce a personal hazard to the user

d. May rupture the air hose

12. Which of the following is not used to fasten equipment to concrete?

a. Expansion bolt

b. Lead sheath

c. Rawl plug

d. Steel bushing

13. A single-pole switch to operate a light will have the wiring connected in the _______ conductor.

a. Grounded

b. Identified

c. Ungrounded

d. Neutral

14. The decimal equivalent of 9/16 is _____________.

a. 0.5625

b. 0.675

c. 0.875

d. None of these

15. The information most useful in preventing the recurrence of a similar type accident when making out an accident report would be ___________.

a. The nature of the injury

b. The cause of the accident

c. The weather conditions at the time

d. The age of the person involved

16. What is the total wattage of this circuit?

a. 3.5

b. 420

c. 16,800

d. 140

17. Artificial respiration after a severe electrical shock is necessary when the shock results in ________.

a. Broken limbs

b. Bleeding

c. Stoppage of breathing

d. Unconsciousness

18. If the circuit voltage is increased, all else remains the same, only the _____ will change.

a. Resistance

b. Current

c. Ampacity

d. Conductivity

19. The two methods of making joints or connections for insulated cables are soldered connections and by means of solderless connection devices (wirenuts). The advantage (s) of a solderless connection is/are _______.

I. Will not fail under short circuit due to melting of solder

II. Mechanical strength as great as solder

III. Reduces the time required to make a splice

a. I only

b. I & II only

c. II & III only

d. I, II & III

20. Which of the following plugs is a polarized plug?

21. When accidentally splashing a chemical into the eyes the best immediate first aid solution is to _________.

a. Look directly into the sun

b. Rub the eyes with dry cloth

c. Flush eyes with clean water

d. Close eyes quickly

22. It is generally not good practice to supply lamps and motors from the same circuit because _______.

I. It is more economical to operate motors on a higher voltage than that of a lighting circuit

II. Overloads and short circuits are more common on motor circuits and would put the lights out

III. When a motor is started it would cause the lights to dim or blink

a. I only

b. II only

c. III only

d. I, II & III

23. Which of the following is the correct wiring to a light controlled by two 3-way switches?

a. I only

b. II only

c. III only

d. IV only

24. The Code considers low voltage to be __________.

a. 480 volts or less

b. 600 volts or less

c. 24 volts

d. 12 volts

25. The cross-sectional area of the bus bar is __________ square inch.

a. 0.125

b. 1.34375

c. 11.5

d. None of these

26. A high spot temperature in a corroded electrical connection is caused by a (an) _________.

a. Increase in the flow of current through the connection

b. Decrease in the voltage drop across the connection

c. Increase in the voltage drop across the connection

d. Decrease in the effective resistance of the connection

27. _______ is the symbol used for the delta connection.

a. Ω

b. Σ

c.

d.

28. Because aluminum is not a magnetic metal, there will be ______ present when aluminum conductors are grouped in a raceway.

a. No heat due to voltage

b. No heating due to hysteresis

c. No induced currents

d. None of these

29. A switch is a device for _____________.

I. Making or braking connections

II. Changing connections

III. Interruption of circuit under short-circuit conditions

a. I only

b. I & II only

c. II & III only

d. I, II & III

30. At least two persons are required to be present during a high-voltage test because ____________.

a. One person can cover while the one is on break

b. High voltage is too heavy for one

c. If one is hurt the other person can help

d. It eliminates overtime

31. One of the essential functions of any switch is to maintain a _____________.

a. Good high-resistance contact in the closed position

b. Good low-resistance contact in the closed position

c. Good low-resistance contact in the open position

d. Good high-resistance contact in the open position

32. Which of the following is a 30-amp receptacle?

33. When the ground resistance exceeds the allowable value of 25 ohms, the resistance can be reduced by _______.

I. Paralleling ground rods

II. Using a longer ground rod

III. Using a larger diameter ground rod

IV. Chemical treatment of the soil

a. II & III only

b. I, II & III only

c. II, III & IV only

d. I, II, III & IV

34. Silver and gold are better conductors of electricity than copper; however, the main reason copper is used is its ______________.

a. Weight

b. Strength

c. Melting point

d. Cost is less

35. Standard lengths of conduit are in 10 foot lengths. A required feeder raceway is 18 yards in length, how many lengths of 10 foot conduit would you need?

a. 4

b. 5

c. 6

d. None of these

36. The term “open circuit” means _____________.

a. The wiring is in an open area

b. The wiring is exposed on a building

c. All parts of the circuit are not in contact

d. The circuit has one end exposed

37. Which of the items below is used to test specific gravity?

38. Conduit should be installed as to prevent the collection of water in it between outlets. The conduit should not have _______________.

a. Low point at an outlet

b. High point at an outlet

c. High point between successive outlets

d. Low point between successive outlets

39. Brass is an alloy of ___________.

a. Zinc and copper

b. Lead and copper

c. Tin and lead

d. Lead and tin

40. Which type of the following portable fire extinguishers should be used on a live electrical fire?

a. Carbon dioxide

b. Water

c. Foam

d. Soda-acid

41. Enclosed knife switches that require the switch to be open before the housing door can be opened, are called ____________ switches.

a. Release

b. Air-break

c. Safety

d. Service

42. Which of the following is a solenoid?

43. What Article of the Code addresses high-voltage (over 600 volts)?

a. 450

b. 230

c. 680

d. 490

44. A close nipple ___________.

a. Is always ½” or less in length

b. Has no threads

c. Has only internal threads

d. Has threads over its entire length

45. When applying rubber tape to an electrical splice, it would be necessary to ____________.

a. Stretch the tape properly during the application

b. Apply an adhesive to the splice before applying the tape

c. Apply the rubber tape after any other tape

d. Apply heat to the tape when installing

46. A stranded wire with the same AWG as a solid wire _________________.

a. Is used for higher voltages

b. Has a higher ampacity

c. Is larger in total diameter

d. Has the same resistance

47. A limit switch is used on a piece of machinery to open the circuit when the ____________.

a. Current exceeds a preset limit

b. Travel reaches a preset limit

c. Pressure exceeds a preset limit

d. Temperature reaches a preset limit

48. With switches 1 and 2 closed the combined resistance of the circuit is _____ ohms.

a. 30

b. 25

c. 10

d. 3

49. When rigid metal conduits are buried the minimum cover required by the Code is ________.

a. 6”

b. 12”

c. 18”

d. 24”

50. A fixture that weighs more than ______ pounds shall not be supported by the screw shell of a lampholder.

a. 2

b. 3

c. 4

d. 6