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Journeyman Electrical Exam Prep 2024/25 COMBO | NEWEST GUARANTEED SUCCESS 100% VERIFIED CORRECT
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Journeyman Electrical Exam Prep2024/25 COMBO | NEWEST
GUARANTEED SUCCESS 100%
VERIFIED CORRECT
1. Frequency is measured in which of the fol lowing :
A. Voltage
Watts
C. Hertz
D. None of the above
c
2. For electroplating power , which of the fol lowing generators should be used :
A. Separately excited
B. Delta system
C. Split phase
D. None of the above
a
3. Power factor is equal to which of the follow ing :
A. Apparent power multiplied by true power
B. True power divided by apparent power
C. Watts multiplied by amps
D. None of the above
b
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 above
b
5. In a generator voltage is produced by which of the following conditions :
A. Electrical pressure
B. Vibration
C. Magnetism
D. Cutting lines of force
d
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 above
,A
7. Where the current flow through a conductor is greatest will be the point where the
voltage drop is the lowest .
A. True B. False
F
8. Of all of the materials used for insulation which of the following has the highest electri
cal breakdown strength and the longest life :
A. Rubber
B. Cloth
C. Impregnated paper
D. Colored vinyl
C
9. A ground rod shall not be less than 8 feet long .
A. True B. False
T
10. A three horse power motor is equivalent to which of the following in watts :
A. 746 watts
2238 watts
C. 3000 watts
D. None of the above
B
11. Illumination is measured in which of the following units :
A. Lumens
B. Foot candles
C. Light per square inch
D. None of the above
B
12. Some copper conductors are tinned to help prevent chemical reaction :
A. True B. False
T
13. Which of the following should be tested to check for voltage ground :
A. From the breaker to the grounding neutral
B. From hot to neutral
C. From a breaker to the cabinet
D. All of the above
D
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. 12
B
, 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 value
C
16. The wattage rating of a resistor determines its ability to absorb heat .
A. True B. False
F II II II II II II II II II II II II II II II II II II
17. A wiring system has two lengths of wires , where wire A has a resistance of 10 ohms
II II II II II II II II II II II II II II II II
and three times the length of wire with two times the cross sectional area which means
II II II II II II II II II II II
that resistance wire B is equal to which of the following
II II
A. 30 ohms
II II
B. 20 ohms
II II
C. 15 ohms
II II
D. 10 ohms
C II II II II II II II II II II II II II
18. Between the service equipment and the final branch circuit overcurrent device , which
II II II II II II II II II
of the following is considered a circuit conductor ?
II II
A. Service laterals
II II
B. Feeder conductors
II II
C. Grounded conductors
II II II
D. A wire assembly
B II II II II II II II II II II II
19. The sum of series voltage drops equals the applied voltage .
II II II
A. True B. False
T II II II II II II II II II II II II II II
20. If a transformer ratio is 20/1 then which of the following is true :
II II II II II II II II II II II II II II II II
A. For every 20 turns in the primary , there is one turn in the secondary .
II II II II II II II II II II II
B. The primary voltage 20 times greater than that of the secondary
II II II II II II II II II II II II II II II
C. For every 20 rotations in the secondary , there is one rotation in the primary
II II II II
D. None of the above
A II II II II II II II II II II II II II II II II II II
21. When a switch on a 110 amp system is closed the total resistance of switch is equal to
II II II II II
which of the following :
II II
A. 55 amps
II II
B. 220 volts
II II
C. 1100 ohms
II
D. Zero
D II II II II II II II II II II II II II II
23. When reduced to the most nominal compo nent the smallest element of matter is
II II II II II
which of the following :
II II II II
A. One ohm electrical current
II II
B. An atom
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