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Study MCQ
Wireman
INDUSTRIAL WIRING PRACTICE
Set 2
Set 2
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Q14068
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Which place the control ON/OFF switches is to be placed a industrial motor wiring?
A
Near the control panel
B
Near the input main
C
Near the entrance
D
Near the motor
Q14069
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Why over load relay coil is wound with thick gauge of copper wire?
A
To carry the line voltage
B
To reduce voltage drop
C
To carry load current
D
To reduce the power loss
Q14070
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Which is the purpose of single phasing preventor in 3 phase motor circuit?
A
To protect the motor from damage
B
To run the motor continuously at single phasing
C
To regulate the supply voltage
D
To protect the motor from over load
Q14071
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What is the formula to calculate the value of insulation resistance while testing the wiring?
A
I.R = (Leakage Current/supply Voltage)
B
I.R = (Load Current/supply Voltage)
C
I.R = (supply Voltage/Leakage Current)
D
I.R = (supply Voltage/Load Current)
Q14072
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Which is the unit of insulation resistance?
A
Milli ohm
B
Ohm
C
kilo ohm
D
Mega ohm
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