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For which of the following protection from negative sequence currents is provided ?
Transmission line
Transformers
Motors
Generators
Transmission line
Transformers
Motors
Generators
Answer
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Related Question
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The fuse rating is expressed in terms of
VAR
kVA
voltage
current
VAR
kVA
voltage
current
Answer
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When the circuit breaker operates under fault conditions, the greatest noise is produced in
sf6 circuit breaker
vaccum circuit breaker
air-blast circuit breaker
oil circuit breaker
sf6 circuit breaker
vaccum circuit breaker
air-blast circuit breaker
oil circuit breaker
Answer
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The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to
All of these
insulate the contacts from switch body
lubricate the contacts
None of these
extinguish the arc
All of these
insulate the contacts from switch body
lubricate the contacts
None of these
extinguish the arc
Answer
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A fuse is a
current limiting device
protective device
None of these
current controlling device
current limiting device
protective device
None of these
current controlling device
Answer
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An isolator is designed to open a circuit under
full load
normal conditions
None of these
no load
full load
normal conditions
None of these
no load
Answer
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