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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
I am looking _____ my pen. Have you seen it?

for
to
at
after

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GETCO Exam Paper (22-07-2015)
100% string efficiency means

One of the insulator discs shorted
Zero potential across each disc
Equal potential across each disc
None uniform potential distribution across each disc

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GETCO Exam Paper (22-07-2015)
For given kVAR and line voltage the ratio of star to delta value of capacitor is

1
1.73
0.33333333333333
3

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GETCO Exam Paper (22-07-2015)
An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is

100
200
150
300

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GETCO Exam Paper (22-07-2015)
The constraints that are to be met with while solving UC problem are

Minimum up time
all are correct
Minimum down time
Spinning reserve

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GETCO Exam Paper (22-07-2015)
What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω

250 MW
1000 kW
1000 MW
400 MW

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SIL = (kV)²/Z₀

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

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