Journeyman Electrician Exam Prep 2023-2024 COMBO
1. 1. Frequency is measured in which of the fol lowing Answer:
A. Voltage
Watts
C. Hertz
D. None of the aboveAnswer: c
2. 2. For electroplating power , which of the fol lowing generators should be used
Answer:
A. Separately excited
B. Delta system
C. Split phase
D. None of the aboveAnswer: a
3. 3. Power factor is equal to which of the follow ing Answer:
A. Apparent power multiplied by true power
B. True power divided by apparent power
C. Watts multiplied by amps
D. None of the aboveAnswer: b
4. 4. The combined opposition to current by re sistance and reactance is which of the
follow ing
A. " Z "
B. Impedance
C. Both of the above
None of the
aboveAnswer: b
5. 5. In a generator voltage is produced by which of the following conditions Answer:
A. Electrical pressure
B. Vibration
C. Magnetism
D. Cutting lines of forceAnswer: d
6. 6. A capacitor performs which of the following functions
A. It opposes changes in voltage
B. It generators voltage
C. It creates changes in amperage
D. None of the aboveAnswer: A
7. 7. Where the current flow through a conductor is greatest will be the point where the
voltage drop is the lowest .
A. True B. FalseAnswer: F
8. 8. Of all of the materials used for insulation which of the following has the highest
electri cal breakdown strength and the longest life Answer:
A. Rubber
B. Cloth
, Journeyman Electrician Exam Prep 2023-2024 COMBO
C. Impregnated paper
D. Colored vinylAnswer: C
9. 9. A ground rod shall not be less than 8 feet long .
A. True B. FalseAnswer: T
10. 10. A three horse power motor is equivalent to which of the following in
watts Answer:
A. 746 watts
2238 watts
C. 3000 watts
D. None of the aboveAnswer: B
11. 11. Illumination is measured in which of the following units Answer:
A. Lumens
B. Foot candles
C. Light per square inch
D. None of the aboveAnswer: B
12. 12. Some copper conductors are tinned to help prevent chemical reaction
Answer:
A. True B. FalseAnswer: T
13. 13. Which of the following should be tested to check for voltage ground
Answer:
A. From the breaker to the grounding neutral
B. From hot to neutral
C. From a breaker to the cabinet
D. All of the aboveAnswer: D
14. 14. During one complete rotation of 360 de grees , a three - phase 6 - pole
AC 34 kVA alter nator on a Yconnected system will have how many of the
following rotations
A. 4
B. 3
C. 18
D. 12Answer: B
15. 15. Which of the following terms is used to de scribe the inductive action
which causes cur rent to flow on the outer surface of a conduc tor
A. Halo effect
B. Inductance
C. Skin effect
D. Insulated par valueAnswer: C
16. 16. The wattage rating of a resistor determines its ability to absorb heat .
A. True B. FalseAnswer: F
, Journeyman Electrician Exam Prep 2023-2024 COMBO
17. 17. A wiring system has two lengths of wires , where wire A has a resistance
of 10 ohms and three times the length of wire with two times the cross
sectional area which means that resistance wire B is equal to which of the
following
A. 30 ohms
B. 20 ohms
C. 15 ohms
D. 10 ohmsAnswer: C
18. 18. Between the service equipment and the final branch circuit overcurrent
device , which of the following is considered a circuit conductor ?
A. Service laterals
B. Feeder conductors
C. Grounded conductors
D. A wire assemblyAnswer: B
19. 19. The sum of series voltage drops equals the applied voltage .
A. True B. FalseAnswer: T
20. 20. If a transformer ratio is 20/1 then which of the following is true Answer
A. For every 20 turns in the primary , there is one turn in the secondary .
B. The primary voltage 20 times greater than that of the secondary
C. For every 20 rotations in the secondary , there is one rotation in the primary
D. None of the aboveAnswer: A
21. 21. When a switch on a 110 amp system is closed the total resistance of
switch is equal to which of the following Answer:
A. 55 amps
B. 220 volts
C. 1100 ohms
D. ZeroAnswer: D
22. 23. When reduced to the most nominal compo nent the smallest element
of matter is which of the following Answer:
A. One ohm electrical current
B. An atom
C. Electrons
D. None of the aboveAnswer: B
23. the 24. The armature reaction in an alternator is magnetizing at lagging
loads .
A. True B. FalseAnswer: A
24. B. 25. A wire secured at one end with the other end fastened to a pole under
tension is known as which of the following Answer:
A. Messenger wire
, Journeyman Electrician Exam Prep 2023-2024 COMBO
B. A service drop
C. A guy wire
D. None of the aboveAnswer: C
25. 26. Which of the following is characteristic of inductance ?
A. It creates opposition to voltage .
B. It opposes changes in current .
C. It creates changes in current .
D. None of the aboveAnswer: B
26. 27. Magnetic lines of force are also known as which of the following
Answer:
A. Flux
B. Alternating currents
C. Reactance
D. None of the aboveAnswer: A
27. 28. Electric motors operate on the principal of induction and repulsion
A. True B. FalseAnswer: T
28. 29. In applications where high starting torque is required , DC series
motors are generally used .
A. True B. FalseAnswer: T
29. 30. If a motor enclosure is designed to contain sparks or flashes that could
ignite surrounding vapors or gases , then the enclosure is consid ered to be
which of the following
A. Ventilated
B. Explosion proof
C. Explosion resistant
D. Fire proofAnswer: B
30. 31. The output of 3 phase transformer is measured in which of the following
units Answer:
A. Volts
B. Amperes
C. Volt - amps
D. WattsAnswer: C
31. 32. In order to change the rotation of a DC series motor which of the
following must be done Answer:
A. The motor must be converted to ac .
B. F1 and F2 must be reversed .
C. The capacitor leads must be reversed
D. The frequency must be alteredAnswer: B
32. 33. Bonding does which of the following Answer:
A. Provides electrical continuity
1. 1. Frequency is measured in which of the fol lowing Answer:
A. Voltage
Watts
C. Hertz
D. None of the aboveAnswer: c
2. 2. For electroplating power , which of the fol lowing generators should be used
Answer:
A. Separately excited
B. Delta system
C. Split phase
D. None of the aboveAnswer: a
3. 3. Power factor is equal to which of the follow ing Answer:
A. Apparent power multiplied by true power
B. True power divided by apparent power
C. Watts multiplied by amps
D. None of the aboveAnswer: b
4. 4. The combined opposition to current by re sistance and reactance is which of the
follow ing
A. " Z "
B. Impedance
C. Both of the above
None of the
aboveAnswer: b
5. 5. In a generator voltage is produced by which of the following conditions Answer:
A. Electrical pressure
B. Vibration
C. Magnetism
D. Cutting lines of forceAnswer: d
6. 6. A capacitor performs which of the following functions
A. It opposes changes in voltage
B. It generators voltage
C. It creates changes in amperage
D. None of the aboveAnswer: A
7. 7. Where the current flow through a conductor is greatest will be the point where the
voltage drop is the lowest .
A. True B. FalseAnswer: F
8. 8. Of all of the materials used for insulation which of the following has the highest
electri cal breakdown strength and the longest life Answer:
A. Rubber
B. Cloth
, Journeyman Electrician Exam Prep 2023-2024 COMBO
C. Impregnated paper
D. Colored vinylAnswer: C
9. 9. A ground rod shall not be less than 8 feet long .
A. True B. FalseAnswer: T
10. 10. A three horse power motor is equivalent to which of the following in
watts Answer:
A. 746 watts
2238 watts
C. 3000 watts
D. None of the aboveAnswer: B
11. 11. Illumination is measured in which of the following units Answer:
A. Lumens
B. Foot candles
C. Light per square inch
D. None of the aboveAnswer: B
12. 12. Some copper conductors are tinned to help prevent chemical reaction
Answer:
A. True B. FalseAnswer: T
13. 13. Which of the following should be tested to check for voltage ground
Answer:
A. From the breaker to the grounding neutral
B. From hot to neutral
C. From a breaker to the cabinet
D. All of the aboveAnswer: D
14. 14. During one complete rotation of 360 de grees , a three - phase 6 - pole
AC 34 kVA alter nator on a Yconnected system will have how many of the
following rotations
A. 4
B. 3
C. 18
D. 12Answer: B
15. 15. Which of the following terms is used to de scribe the inductive action
which causes cur rent to flow on the outer surface of a conduc tor
A. Halo effect
B. Inductance
C. Skin effect
D. Insulated par valueAnswer: C
16. 16. The wattage rating of a resistor determines its ability to absorb heat .
A. True B. FalseAnswer: F
, Journeyman Electrician Exam Prep 2023-2024 COMBO
17. 17. A wiring system has two lengths of wires , where wire A has a resistance
of 10 ohms and three times the length of wire with two times the cross
sectional area which means that resistance wire B is equal to which of the
following
A. 30 ohms
B. 20 ohms
C. 15 ohms
D. 10 ohmsAnswer: C
18. 18. Between the service equipment and the final branch circuit overcurrent
device , which of the following is considered a circuit conductor ?
A. Service laterals
B. Feeder conductors
C. Grounded conductors
D. A wire assemblyAnswer: B
19. 19. The sum of series voltage drops equals the applied voltage .
A. True B. FalseAnswer: T
20. 20. If a transformer ratio is 20/1 then which of the following is true Answer
A. For every 20 turns in the primary , there is one turn in the secondary .
B. The primary voltage 20 times greater than that of the secondary
C. For every 20 rotations in the secondary , there is one rotation in the primary
D. None of the aboveAnswer: A
21. 21. When a switch on a 110 amp system is closed the total resistance of
switch is equal to which of the following Answer:
A. 55 amps
B. 220 volts
C. 1100 ohms
D. ZeroAnswer: D
22. 23. When reduced to the most nominal compo nent the smallest element
of matter is which of the following Answer:
A. One ohm electrical current
B. An atom
C. Electrons
D. None of the aboveAnswer: B
23. the 24. The armature reaction in an alternator is magnetizing at lagging
loads .
A. True B. FalseAnswer: A
24. B. 25. A wire secured at one end with the other end fastened to a pole under
tension is known as which of the following Answer:
A. Messenger wire
, Journeyman Electrician Exam Prep 2023-2024 COMBO
B. A service drop
C. A guy wire
D. None of the aboveAnswer: C
25. 26. Which of the following is characteristic of inductance ?
A. It creates opposition to voltage .
B. It opposes changes in current .
C. It creates changes in current .
D. None of the aboveAnswer: B
26. 27. Magnetic lines of force are also known as which of the following
Answer:
A. Flux
B. Alternating currents
C. Reactance
D. None of the aboveAnswer: A
27. 28. Electric motors operate on the principal of induction and repulsion
A. True B. FalseAnswer: T
28. 29. In applications where high starting torque is required , DC series
motors are generally used .
A. True B. FalseAnswer: T
29. 30. If a motor enclosure is designed to contain sparks or flashes that could
ignite surrounding vapors or gases , then the enclosure is consid ered to be
which of the following
A. Ventilated
B. Explosion proof
C. Explosion resistant
D. Fire proofAnswer: B
30. 31. The output of 3 phase transformer is measured in which of the following
units Answer:
A. Volts
B. Amperes
C. Volt - amps
D. WattsAnswer: C
31. 32. In order to change the rotation of a DC series motor which of the
following must be done Answer:
A. The motor must be converted to ac .
B. F1 and F2 must be reversed .
C. The capacitor leads must be reversed
D. The frequency must be alteredAnswer: B
32. 33. Bonding does which of the following Answer:
A. Provides electrical continuity
