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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
During the insulation co-ordination in the sub station, the lowest insulation strength is at

CTs and PTs
transformer
circuit breaker
bus bar

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GETCO Exam Paper (22-07-2015)
In a thermal power plant, heat from the flue gases is recovered in

Economizer
Electric precipitator
condenser
chimney

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GETCO Exam Paper (22-07-2015)
The relay which is most sensitive to power swings (mal operation) is

Mho Relay
Impedance Relay
Reactance Relay
Over current Relay

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GETCO Exam Paper (22-07-2015)
In which of the following festivals are boat races a special feature?

Onam
Rongali Bihu
Navaratri
Pongal

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GETCO Exam Paper (22-07-2015)
In case of a balanced three phase sinusoidal AC supply, because of the phase difference

neutral current is high if load is not balanced
all are correct
neutral wire is not required, if load is balanced
rotating magnetic field is produced

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GETCO Exam Paper (22-07-2015)
The instantaneous value of power in purely inductive circuit is

zero
constant
changing
none of this

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero

MORE MCQ ON GETCO Exam Paper (22-07-2015)

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