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If the length of the arc in a circuit breaker increases, its resistance
None of these
remains same
decreases
increases
None of these
remains same
decreases
increases
Answer
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Related Question
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When a fault occur in a power system, the circuit breaker
is opened manually
opens automatically
is opened by remote control
None of these
is opened manually
opens automatically
is opened by remote control
None of these
Answer
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Current chopping mainly occurs in
sf 6 circuit breaker
vaccum circuit breaker
air-blast circuit breaker
oil circuit breaker
sf 6 circuit breaker
vaccum circuit breaker
air-blast circuit breaker
oil circuit breaker
Answer
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When the circuit breaker operates under fault conditions, the greatest noise is produced in
sf6 circuit breaker
air-blast circuit breaker
vaccum circuit breaker
oil circuit breaker
sf6 circuit breaker
air-blast circuit breaker
vaccum circuit breaker
oil circuit breaker
Answer
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For interrupting of high voltage and low current, the circuit breaker prefered is
all are correct
vaccum circuit breaker
air-blast circuit breaker
oil circuit breaker
all are correct
vaccum circuit breaker
air-blast circuit breaker
oil circuit breaker
Answer
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Directional relay are based on flow of
current
power
All of these
voltage wave
current
power
All of these
voltage wave
Answer
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