Journeyman Closed Book Exam 5 | REE Board Exam

This is the Multiple Choice Questions Part 5 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 5 of the Series

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Choose the letter of the best answer in each question.

1. Locknuts are sometimes used in making electrical connections on studs. In these cases, the purpose of the locknuts is to __________.

a. Be able to connect several wires to one stud

b. Make it difficult to tamper with the connection

c. Make a tighter connection

d. Prevent the connection from loosening under vibration

2. To cut rigid conduit you should __________.

a. Use a 3-wheel pipe cutter

b. Use a cold chisel and ream the ends

c. Use a hacksaw and ream the ends

d. Order it to cut size

3. In the course of normal operation the instrument which will be least effective in indicating that a generator may overheat because it is overloaded, is __________.

a. A wattmeter

b. A voltmeter

c. An ammeter

d. A stator thermocouple

4. Two switches in one box under one face-plate is called a __________.

a. Double-pole switch

b. Two-gang switch

c. 2-way switch

d. Mistake

5. A conduit body is __________.

a. A cast fitting such as an FD or FS box

b. A standard 10foot length of conduit

c. A sealtight enclosure

d. A “LB” or “T”, or similar fitting

6. A dwelling unit is __________.

a. One unit of an apartment.

b. One or more rooms used by one or more persons.

c. One or more rooms with space for eating, living and sleeping

d. One or more rooms used as a housekeeping unit and having permanent cooking and sanitation provisions.

7. Enclosed means, surrounded by a __________ which will prevent persons from accidentally contacting energized parts.

I. Wall II. Fenced III. Housing or case

a. I only

b. II only

c. III only

d. I, II & III

8. Where the conductor material is not specified in the Code, the conductors are assumed to be __________.

a. Bus bars

b. Aluminum

c. Copper-clad aluminum

d. Copper

9. The voltage lost across a portion of a circuit is called the __________.

a. Power loss

b. Current

c. Voltage drop

d. Wattage

10. In a series circuit __________ is common.

a. Resistance

b. Current

c. Voltage

d. Wattage

11. Batteries supply __________ current.

a. Positive

b. Negative

c. Direct

d. Alternating

12. Electron flow produced by means of applying pressure to a material is called ___________.

a. Photo conduction

b. Electrochemistry

c. Piezoelectricity

d. Thermoelectricity

13. Raceways shall be provided with __________ to compensate for thermal expansion and contraction.

a. According joints

b. Thermal fittings

c. Expansion joints

d. Control-expansion

14. An alternation is __________.

a. One-half cycle

b. One hertz

c. One alternator

d. Two cycles

15. What is the function of a neon glow tester?

I. Determines if circuit is alive

II. Determines the polarity of DC circuits

III. Determines if circuits is AC or DC

a. I only

b. II only

c. III only

d. I, II & III

16. What Chapter in the Code is Mobile Homes referred to?

a. Chapter 3

b. Chapter 5

c. Chapter 6

d. Chapter 8

17. Never approach a victim of an electrical injury until you __________.

a. Find a witness

b. Are sure the power is turned off

c. Have a first-aid kit

d. Contact the supervisor

18. A wattmeter indicates __________.

I. Real power

II. Apparent power if PF is not in unity

III. Power factor

a. I only

b. II only

c. III only

d. I, II & III

19. The connection of a ground clamp to a grounding electrode shall be __________.

a. Accessible

b. Visible

c. Readily accessible

d. In sight

20. The current will lead the voltage when __________.

a. Inductive reactance exceeds the capacitive reactance in the circuit.

b. Reactance exceeds the resistance in the circuit.

c. Resistance exceeds the reactance in the circuit.

d. Capacitive reactance exceeds the inductive reactance in the circuit.

21. Mandatory rules of the Code are identified by the use of the word __________.

a. Should

b. Shall

c. Must

d. Could

22. Which of the following is not one of the considerations that must be evaluated in judging equipment?

a. Wire-bending and connection space

b. Arcing effects

c. Longevity

d. Electrical insulation

23. To increase the range of an AC ammeter which one the following is most commonly used?

a. A current transformer

b. A condenser

c. An inductance

d. A straight shunt (not U-shaped)

24. If a test lamp light, when placed in series with a condenser and a suitable source of DC, it is a good indication that the condenser is __________.

a. Fully-charged

b. Short-circuited

c. Open-circuited

d. Fully discharged

25. To transmit power economically over considerable distances, it is necessary that the voltages be high. High voltages are readily obtainable with __________ currents.

a. Rectified

b. AC

c. DC

d. Carrier

26. Two 500 watt lamps connected in series across a 110 volt line draws 2amperes. The total power consumed is __________ watts.

a. 50

b. 150

c. 220

d. 1000

27. The resistance of a copper wire to the flow of electricity__________.

a. Decreases as the length of the wire increases.

b. Decreases as the diameter of the wire decreases.

c. Increases as the diameter of the wire increases.

d. Increases as the length of the wire increases.

28. Enclosed knife switches that require the switch to be open before the housing door can be opened, called __________ switches.

a. Release

b. Air-break

c. Safety

d. Service

29. A type of cable protected by a spiral metal cover is called __________ in the field.

a. BX

b. Greenfield

c. Sealtight

d. Romex

30. The resistance of a circuit may vary due to __________.

a. A loose Connection

b. Change in voltage

c. Change in current

d. Induction

31. Grounding conductors running with circuit conductors may be __________.

I. Uninsulated

II. A continuous green if covered

III. Continuous green with yellow stripe, if covered

a. I only

b. II only

c. III only

d. I,II & III

32. For voltage and current to be in phase, __________.

I. The circuit impedance has only resistance.

II. The voltage and current appear at their zero and peak values at the same time.

a. I only

b. II only

c. both I & II

d. neither I nor II

33. 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 conductor expressed in wattage.

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

34. Continuous duty is __________.

a. A load where the maximum current is expected to continue for three hours or more.

b. A load where the maximum current is expected to continue for one hour or more.

c. Intermittent operation in which the load conditions are regularly recurrent.

d. Operation at a substantially constant load for an indefinitely long time.

35. A location classified as dry may be temporarily subject to __________.

I. Wet II. Dampness

a. I only

b. II only

c. both I & II

d. neither I nor II

36. A __________ is an enclosure designed either for surface or flush mounting and provided with a frame, mat or trim in which a swinging door or doors are or may be hung.

a. Cabinet

b. Panelboard

c. Cutout box

d. Switchboard

37. A 15 ohm resistance carrying 20 amperes of current uses __________ watts of power.

a. 300

b. 3000

c. 6000

d. None of these

38. When using a #14-2 with ground Romex, the ground __________ carry current under normal operation.

a. Will

b. Will not

c. Will sometimes

d. None of these

39. As compared with solid wire, stranded wire of the same gauge size is ___________.

a. Better for higher voltage

b. Given a higher ampacity

c. Easier to skin

d. Larger in total diameter

40. The type of AC system commonly used to supply both commercial light and power is the __________.

a. 3-phase, 3-wire

b. 3-phase, 4-wire

c. 2-phase, 3-wire

d. Single-phase, 2-wire

41. To make a good soldered connection between two stranded wires, it is least important to __________.

a. Use enough heat to make the solder to flow freely.

b. Clean the wires carefully.

c. Twist the wires together before soldering.

d. Apply solder to each strand before twisting the two wires together.

42. The most important reason for using a conduit-type fitting in preference to making a bend in a one-inch conduit is to __________.

a. Avoid the possible flattening of the conduit when making the bend.

b. Cut down the amount of the conduit.

c. Make a neater job.

d. Make wire pulling easier.

43. When skinning a small wire, the insulation should be “penciled down” rather than cut square to __________.

a. Allow more room for the splice

b. Save time in making the splice

c. Decrease the danger of nicking the wire

d. Prevent the brand from fraying

44. Rubber insulation on an electrical conductor would quickly be damaged by continuous contact with __________.

a. Water

b. Acid

c. Oil

d. Alkali

45. A tester using an ordinary light bulb is commonly used to test ___________.

a. Whether a circuit is AC or DC

b. For polarity of a DC circuit

c. An overload circuit

d. For grounds on 120 volt circuit

46. Pigtails are used on brushes to __________.

a. Compensate for wear

b. Supply the proper brush tension

c. Make a good electrical connection

d. Hold the brush in the holder

47. With respect to fluorescent lamps it is correct to state __________.

a. The filaments seldom burn out

b. The starter and tubes must be replaced at the same time.

c. They are easier to install than the incandescent light bulbs.

d. Their efficiency is less than the efficiency of incandescent light bulbs.

48. A __________ stores energy in much the same manner as a spring stores mechanical energy.

a. Resistor

b. Coil

c. Condenser

d. None of these

49. An overcurrent trip unit of a circuit shall be connected in series with each __________.

a. Transformer

b. Grounded conductor

c. Overcurrent device

d. Ungrounded Conductor

50. __________ lighting is a string of outdoor lights suspended between two points.

a. Pole

b. Festoon

c. Equipment

d. Outline