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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt.

125
500
250
1000

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

Onam
Pongal
Rongali Bihu
Navaratri

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GETCO Exam Paper (22-07-2015)
For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be

7\8
5\6
6\7
2\3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

fractional pitch = Cos( α/2)
α is obtain from: (nα/2)=90˚ where n is harmonic
α=25.7143˚
fractional pitch=6/7

GETCO Exam Paper (22-07-2015)
Shunt compensation in EHV line is resorted to

Increase line impedance
Reduce the fault level
Improve the stability
Improve voltage profile

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GETCO Exam Paper (22-07-2015)
Shunt capacitors in a substation

deliver active power
consume active power
consumes lagging VAR
delivers lagging VAR

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GETCO Exam Paper (22-07-2015)
Which power plant may take several days to start up and shunt down?

none of these
solar power plant
Base load
Peak load

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

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