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The operating time of a fuse is about
0.8 sec
1 sec
1.5 sec
0.002 sec
0.8 sec
1 sec
1.5 sec
0.002 sec
Answer
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Related Question
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In Railway applications ______ circuit breaker is used.
minimum oil
bulk oil
SFe
air break
minimum oil
bulk oil
SFe
air break
Answer
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A fuse should have
low melting point
All of these
high conductivity
low cost
low melting point
All of these
high conductivity
low cost
Answer
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SF 6 gas
Is nontoxic
has pungent small
is yellow in colour
is lighter than air
Is nontoxic
has pungent small
is yellow in colour
is lighter than air
Answer
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Dc shunt relays are made of
many turns of thin wire
few turns of thin wire
few turns of thick wire
many turns of thick wire
many turns of thin wire
few turns of thin wire
few turns of thick wire
many turns of thick wire
Answer
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The time-current graph of a fuse
None of these
is a circle
has inverse characteristic
has a linear characteristic
None of these
is a circle
has inverse characteristic
has a linear characteristic
Answer
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