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Resistance grounding is used for voltage between
33 kV to 66 kV
None of these
11 kv to 33 kv
3.3 kV to 11 kv
33 kV to 66 kV
None of these
11 kv to 33 kv
3.3 kV to 11 kv
Answer
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series reactors should have
low impedance
high resistance
high impedance
low resistance
low impedance
high resistance
high impedance
low resistance
Answer
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The information to the circuit breaker under fault conditions is provided by
relay
H.R.'only
rewirable fuse
All of these
relay
H.R.'only
rewirable fuse
All of these
Answer
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The reflection co-efficient at the open circuited end of a transmission line
infinity
unity
None of these
zero
infinity
unity
None of these
zero
Answer
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________ relay is preferred for phase fault on short transmission line.
Induction type
None of these
Reactance
Impedance
Induction type
None of these
Reactance
Impedance
Answer
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The voltage appearing across the contacts after opening of the circuit breaker is called
operating voltage
arc voltage
recovery voltage
surge voltage
operating voltage
arc voltage
recovery voltage
surge voltage
Answer
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