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The advantage of HRC fuse is that it
All of these
does not deteriorate with age
has high speed of operation
is quite cheap
All of these
does not deteriorate with age
has high speed of operation
is quite cheap
Answer
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Dc shunt relays are made of
few turns of thick wire
many turns of thin wire
few turns of thin wire
many turns of thick wire
few turns of thick wire
many turns of thin wire
few turns of thin wire
many turns of thick wire
Answer
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A circuit breaker must perform the duty of
All of these
being closed on to a fault
carrying fault current for a short time
opening the faulty circuit and breaking the fault current
All of these
being closed on to a fault
carrying fault current for a short time
opening the faulty circuit and breaking the fault current
Answer
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SF6 gas
has pungent small
is lighter than air
None of these
is nontoxic
is yellow in colour
has pungent small
is lighter than air
None of these
is nontoxic
is yellow in colour
Answer
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The rate of rise of restriking voltage depends on
the inductance of the system only
the capacitance of the system only
both inductance and capacitance of the system
the type of circuit breaker
the inductance of the system only
the capacitance of the system only
both inductance and capacitance of the system
the type of circuit breaker
Answer
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Current chopping mainly occurs in
sf 6 circuit breaker
air-blast circuit breaker
vaccum circuit breaker
oil circuit breaker
sf 6 circuit breaker
air-blast circuit breaker
vaccum circuit breaker
oil circuit breaker
Answer
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