Journeyman Closed Book Exam 2 | REE Board Exam

This is the Multiple Choice Questions Part 2 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 in 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 2 of the Series

⇐ Journeyman Closed Book Exam 1 | REE Board Exam

Choose the letter of the best answer in each question.

1. Frequency is measured in __________.

a. Hertz

b. Voltage

c. RPM

d. Foot pounds

2. Which of the following would cause the most power to be dissipated in the form of heat?

a. X_L

b. X_C

c. Resonance

d. Resistance

3. __________ is the combined opposition to current by resistance and reactance.

a. Q

b. Z

c. X_C

d. I²R

4. An electrician in the industry would first check the __________ to correct a low power factor.

a. Resistance

b. Hysteresis

c. Inductive load

d. Reluctance

5. Single conductor cable runs within buildings are generally more common than multicable runs because __________.

a. Of conduit fill

b. Of the temperature

c. The splicing is easier

d. The weight is evenly distributed

6. __________ has the highest electrical breakdown strength and longest life over all other materials used for insulation.

a. Rubber insulation

b. Woven cloth

c. Impregnated paper

d. Thermoplastic

7. Voltage in a generator is produced by __________.

a. Resonance

b. Pressures

c. Cutting lines of force

d. Chemical

8. To adjust the voltage generated by a constant speed DC generator, you would change the __________.

a. Stator

b. Pressure

c. Brushes

d. Field current

9. The generator which is best suited for electroplating power is a __________ generator.

a. Split-phase

b. Six pole

c. Separately excited

d. Compound

10. To change the rotation of a DC motor you would __________.

a. Reverse capacitor leads

b. Reverse A1 & A2

c. Reverse commutator

d. Reverse F1 & F2

11. Frequency is determined by the __________ of an alternator.

I. Size

II. Number of poles

III. Voltage

IV. Rotation speed of armature

a. II only

b. II & III only

c. II & IV only

d. I, II & IV only

12. An example of a “made” electrode would be __________.

a. Metallic water pipe

b. Metal frame of a building

c. Concrete-encased

d. Ground rod

13. Illumination is measured in __________.

a. Luminous flux

b. Lumens

c. Temperature

d. Foot candles

14. A motor enclosure designed and constructed to contain sparks or flashes that may ignite surrounding gas or vapour is called __________.

a. Non-ventilated

b. Encapsulated

c. Explosion proof

d. Water cooled

15. The output of a 3∅ transformer is measured in units called __________.

a. Watts

b. Volt-amps

c. Impedance

d. Turns-ratio

16. Three horsepower is equivalent to __________.

a. 764

b. 2292

c. 2238

d. None of these

17. Sometimes copper conductors are coated (tinned) to help prevent __________.

a. Higher resistance

b. Mechanical Damage

c. Capacitive reactance

d. Chemical reaction

18. A wheatstone bridge is used to measure __________ resistance.

I. Low II. Medium III. High

a. I only

b. II & III only

c. III only

d. II only

19. To check voltage to ground, you would check from __________.

a. The breaker to the cabinet

b. Hot to neutral

c. The breaker to the grounding terminal

d. All of these

20. The inductive action that causes current to flow on the outside surface of a conductor is known as the __________.

a. Corona effect

b. Skin effect

c. Electrolytic effect

d. DC reactance

21. Electrical continuity is required by the electrical code for metallic conduit __________.

a. To ensure equipment grounding

b. To reduce static electricity

c. To reduce inductive heat

d. To trace electrical wiring

22. The resistance of an open circuit is equal to __________.

a. Less than one ohm

b. Zero

c. Infinity

d. None of these

23. An electrical timer switch for lighting is normally connected in __________ with the lighting circuit being controlled.

a. Series

b. Parallel

c. Sequence

d. Tandem

24. The definition of ampacity is __________.

a. The current-carrying capacity of conductors expressed in volt-amps

b. The current-carrying capacity expressed in amperes

c. The current-carrying capacity of conductors expressed in wattage

d. The current in amperes a conductor can carry continuously under the conditions of use without exceeding its temperature rating

25. The grounded conductor would connect to the __________ of a lamp holder.

a. Screw shell

b. Filament

c. Base contact

d. Lead in wire

26. A three-phase, 6-pole AC alternator 34 kva, on a Y-connected system. During one complete mechanical rotation (360°) will have __________ electrical rotations.

a. 1

b. 1 ½

c. 3

d. 12

27. The voltage per turn of the primary of a transformer is __________ the voltage per turn of the secondary.

a. More than

b. The same as

c. Less than

d. None of these

28. A single concrete-encased electrode shall be augmented by one additional electrode if it does not have a resistance to ground of __________.

a. 25 ohms

b. 30 ohms

c. 50 ohms

d. Not a code requirement

29. Which of the following is not true about alternating current?

a. Develops eddy current

b. It can be transformed

c. Is suitable for charging batteries

d. Interferes with communication lines

30. On a 120v 1∅ circuit, ground fault protection for personnel operates on the principal of unbalanced current between __________.

a. The grounded and ungrounded conductor

b. The ungrounded conductor

c. The grounding conductor and the neutral conductor

d. The service disconnect and the branch circuit

31. In a 3∅ circuit, how many electrical degrees separate each phase?

a. 360

b. 180

c. 120

d. 90

32. __________ duty is a type of service where both the load and the time intervals may have wide variations.

a. Continuous

b. Periodic

c. Intermittent

d. Varying

33. The definition of ambient temperature is __________.

a. The temperature of the conductor

b. The insulation rating of the conductor

c. The temperature of the area surrounding the conductor

d. The maximum heat the insulation can be used within

34. As the power factor of a circuit is increased __________.

a. Reactive power is decreased

b. Active power is decreased

c. Reactive power is increased

d. Both active and reactive power are increased

35. Tinning rubber insulated twisted cable is done to __________.

a. Make the strands stronger

b. Prevent chemical reactions between the copper and the rubber

c. Increase the resistance

d. Meet NEMA requirements

36. A negatively charged body has __________.

a. Excess of electrons

b. Excess of neutrons

c. Deficit of electrons

d. Deficit of neutrons

37. A fluorescent light that blinks “on” and “off” repeatly may in time __________.

a. Cause the fuse to blow

b. Cause the switch to wear out

c. Cause the wire to melt

d. Result in damage to the ballast

38. Electrical appliances are connected in parallel because it __________.

a. Makes the operation of appliances independent of each other

b. Results in reduced power loss

c. Is a simple circuit

d. Draws less current

39. What relationship determines the efficiency of electrical equipment?

a. The power input divided by the output

b. The volt-amps x the wattage

c. The va divided by the pf

d. The power output divided by the input

40. What is the formula to find watt hours?

a. E x T x 1000

b. E x I x T

c. I x E x T/1000

d. E x T x 1000

41. Of the six ways of producing emf, which method is used the least?

a. Pressure

b. Solar

c. Chemical reaction

d. Friction

42. The voltage produced by electromagnetic induction is controlled by __________.

a. The number of lines of flux cut per second

b. Eddy currents

c. The size of the magnet

d. The number of turns

43. As the power factor of a circuit is increased __________.

a. Reactive power is decreased

b. Active power is decreased

c. Reactive power is increased

d. Both active and reactive power are increased

44. The breakdown voltage of an insulation depends upon __________ value of AC voltage.

a. RMS

b. Effective

c. Peak

d. 1.732 peak

45. The AC system is preferred to the DC system because __________.

a. DC voltage cannot be used for domestic appliances

b. DC motors do not have speed control

c. AC voltages can be easily changed in magnitude

d. High-voltage AC transmission is less efficient

46. DC series motors are used in applications where __________ is required.

a. Constant speed

b. High starting torque

c. Low no-load speed

d. None of these

47. Basically all electric motors operate on the principle of repulsion or __________.

a. Magnetism

b. Induction

c. Resistance

d. Capacitance

48. A capacitor opposes __________.

a. Both a change in voltage & current

b. Change in current

c. Change in voltage

d. None of these

49. The armature current drawn by any DC motor is proportional to the __________.

a. Motor speed

b. Voltage applied

c. Flux required

d. Torque applied

50. The greater voltage drop in a circuit will occur when the __________ the current flow through that part of the circuit.

a. Greater

b. Slower

c. Faster

d. Lower