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MASTER ELECTRICIAN EXAM 2024 VERIFIED QUESTIONS AND ANSWERS GRADED A+
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MASTER ELECTRICIAN EXAM 2024 VERIFIED QUESTIONS AND ANSWERS GRADED A+
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MASTER ELECTRICIAN EXAM 2024 VERIFIEDQUESTIONS AND ANSWERS GRADED A+
1 Refer to the Level Power plan by clicking on the EXHIBIT button above
Based on the information shown of this exhibit, the current in the branch circuit for
the HP-5 indoor unit is _________amperes
A.0
B. 7.2
C. 52.0
D. 72.1
D. 72.1
The ground fault circuit protection for personnel works on the principle of
measuring unbalanced current between
A. UNDERGROUND CONDUCTORS
B. THE SERVICE DISCONNECT AND BRANCH CIRCUIT
C. THE GROUNDED AND UNGROUNDED CONDUCTORS
D. THE GROUNDING AND UNGROUNDED CONDUCTORS
D. THE GROUNDING AND UNGROUNDED CONDUCTORS
,A device of group of devices that serve to govern in some predetermined manner
the electric power delivered to the apparatus to which it is connected is a
A. DEVICE
B. CONTROLLER
C. DISCONNECT
D. CIRCUIT BREAKER
B. CONTROLLER
#2 Refer to the Level Power plan by clicking on the EXHIBIT button above
For the circuit that serves the outside HP-5 motor compressor conditioning unit,
the maximum rating of the inverse time breaker permitted to provide short-circuit
is ___amperes
A. 40
B. 45
C. 60
D. 70
C. 60
Give: Two separate services are identical in voltage and amperage, except that one
service serves on motor loads and the other serves lighting loads only.
,In the event of a short circuit in these services, the available short-circuit current
will be
A. THE SAME IN EITHER SERVICE
B. 25 PERCENT GREATER IN THE SERVICE FOR THE MOTOR LOAD
C. HIGHER IN THE LIGHTING-LOAD SERVICE BECAUSE OF
CONTINUOUS LOADS
D. HIGHER IN THE MOTOR-LOAD SERVICE BECAUSE OF THE
INDUCTIVE REACTANCE FROM THE MOTORS.
B. 25 PERCENT GREATER IN THE SERVICE FOR THE MOTOR LOAD
#3 Refer to the Electrical Feeder Diagram by clicking on the EXHIBIT button
above
Given: The maximum load must not exceed 80 percent of the ampere rating of the
main breaker, and the maximum load must not exceed 80 percent of the ampacity
of the service entrance conductors. The service entrance conductors have XHHW
insulation. The voltage is 208
What is the maximum balanced electrical load permitted, in volt-amperes, for the
new service?
A. 57, 600
B. 99, 840
C. 172, 927
, C. 178, 692
A. 57, 600
Given: A 3-phase system has a line current of 150 amperes and a line voltage of
208 volts. Determine the total volt-ampere load for the above.
A. 18, 000
B. 31, 200
C.54, 040
D. 93, 600
C.54, 040
Given: Acircuit supplying a resistive load has a total current reading of 27
amperes. The resistance of a faulty connection is 0.21 ohms. The power by the
faulty connection is ____ watts.
A. 0.2
B. 5.7
C. 54
D. 153
B. 5.7
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