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The time of closing the cycle, in modern circuit breakers is
0.10 sec
0.003 sec
0.01 sec
0.001 sec
0.10 sec
0.003 sec
0.01 sec
0.001 sec
Answer
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Related Question
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In a single bus-bar system there will be complete shut down when
two or more faults occur simultaneously
fault occurs on neutral line
fault occurs on the bus itself
fault occurs with respect to earthing
two or more faults occur simultaneously
fault occurs on neutral line
fault occurs on the bus itself
fault occurs with respect to earthing
Answer
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Resistance grounding is used for voltage between
33 kV to 66 kV
3.3 kV to 11 kv
11 kv to 33 kv
None of these
33 kV to 66 kV
3.3 kV to 11 kv
11 kv to 33 kv
None of these
Answer
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Dc shunt relays are made of
few turns of thick wire
few turns of thin wire
many turns of thick wire
many turns of thin wire
few turns of thick wire
few turns of thin wire
many turns of thick wire
many turns of thin wire
Answer
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A fuse element is generally made of
brass
silver
steel
iron
brass
silver
steel
iron
Answer
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The advantage of HRC fuse is that it
is quite cheap
All of these
has high speed of operation
does not deteriorate with age
is quite cheap
All of these
has high speed of operation
does not deteriorate with age
Answer
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