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A fuse is a
None of these
current limiting device
protective device
current controlling device
None of these
current limiting device
protective device
current controlling device
Answer
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Related Question
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The arcing contacts in a circuit breaker are made of
copper tungsten alloy
electrolytic copper
aluminium alloy
porcelain
copper tungsten alloy
electrolytic copper
aluminium alloy
porcelain
Answer
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A fuse element is generally made of
silver
steel
brass
iron
silver
steel
brass
iron
Answer
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When the circuit breaker operates under fault conditions, the greatest noise is produced in
oil circuit breaker
vaccum circuit breaker
air-blast circuit breaker
sf6 circuit breaker
oil circuit breaker
vaccum circuit breaker
air-blast circuit breaker
sf6 circuit breaker
Answer
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In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as
lag time
clearing time
operation time
lead time
lag time
clearing time
operation time
lead time
Answer
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Wave trap is used to trap waves of
power frequencies
higher frequencies entering generator or transformer units
either of the above
None of these
power frequencies
higher frequencies entering generator or transformer units
either of the above
None of these
Answer
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