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To reduce short circuit fault currents......... are used.

None of these
reactors
resistors
capacitors

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An isolator is designed to open a circuit under

no load
full load
None of these
normal conditions

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For interrupting of high voltage and low current, the circuit breaker prefered is

air-blast circuit breaker
vaccum circuit breaker
all are correct
oil circuit breaker

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For which of the following protection from negative sequence currents is provided ?

Transformers
Motors
Generators
Transmission line

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The power loss is an important factor for the design of

feeder
transmission line
motor
generator

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The advantage of HRC fuse is that it

is quite cheap
has high speed of operation
does not deteriorate with age
All of these

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