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A differential relay measures the vector difference between
two currents
two voltages
two or more similar electrical quantities
None of these
two currents
two voltages
two or more similar electrical quantities
None of these
Answer
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Related Question
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Outdoor switchgear is generally used for voltage beyond
33 kV
11 kV
132 kV
66 kV
33 kV
11 kV
132 kV
66 kV
Answer
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Which of the following CB's is generally used in railways applications ?
bulk oil circuit breaker
air break circuit breaker
sf 6 circuit breaker
low oil circuit breaker
bulk oil circuit breaker
air break circuit breaker
sf 6 circuit breaker
low oil circuit breaker
Answer
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A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is
80 kA
20 kA
60 kA
35 kA
80 kA
20 kA
60 kA
35 kA
Answer
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The fuse wire, in DC circuit, is inserted in
negative circuit only
None of these
Both positive and negative circuit
positive circuit only
negative circuit only
None of these
Both positive and negative circuit
positive circuit only
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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