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A fuse should have
high conductivity
low cost
low melting point
All of these
high conductivity
low cost
low melting point
All of these
Answer
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Related Question
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The arcing contacts in a circuit breaker are made of
aluminium alloy
electrolytic copper
copper tungsten alloy
porcelain
aluminium alloy
electrolytic copper
copper tungsten alloy
porcelain
Answer
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For the same power, the least size is of
oil circuit breaker
air-blast circuit breaker
vaccum circuit breaker
sf6 circuit breaker
oil circuit breaker
air-blast circuit breaker
vaccum circuit breaker
sf6 circuit breaker
Answer
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The fuse wire, in DC circuit, is inserted in
positive circuit only
negative circuit only
Both positive and negative circuit
None of these
positive circuit only
negative circuit only
Both positive and negative circuit
None of these
Answer
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When the circuit breaker operates under fault conditions, the greatest noise is produced in
air-blast circuit breaker
oil circuit breaker
vaccum circuit breaker
sf6 circuit breaker
air-blast circuit breaker
oil circuit breaker
vaccum circuit breaker
sf6 circuit breaker
Answer
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The time-current graph of a fuse
None of these
is a circle
has a linear characteristic
has inverse characteristic
None of these
is a circle
has a linear characteristic
has inverse characteristic
Answer
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