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The torque produced in induction type relay is
proportional to the current
proportional to square of the current
inversely proportional to the current
inversely proportional to the square of the current
proportional to the current
proportional to square of the current
inversely proportional to the current
inversely proportional to the square of the current
Answer
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Related Question
Switch Gear
A circuit breaker is a
current limiting device
None of these
current controlling device
circuit interrupting device
current limiting device
None of these
current controlling device
circuit interrupting device
Answer
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A fuse performs
both detection and interruption functions
detection function only
None of these
circuit interruption function only
both detection and interruption functions
detection function only
None of these
circuit interruption function only
Answer
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Switch Gear
The operating time of a fuse is about
1 sec
0.8 sec
0.002 sec
1.5 sec
1 sec
0.8 sec
0.002 sec
1.5 sec
Answer
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Switch Gear
SF 6 gas
has pungent small
is lighter than air
Is nontoxic
is yellow in colour
has pungent small
is lighter than air
Is nontoxic
is yellow in colour
Answer
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The fault that imposes severest duty on the circuit breaker is
line to ground fault
line to line fault
all three lines short-circuited
two lines to ground fault
line to ground fault
line to line fault
all three lines short-circuited
two lines to ground fault
Answer
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