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GETCO Exam Paper (11-06-2017)

GETCO Exam Paper (11-06-2017)
Current rating is not necessary in case of

circuit breakers
load break switches
isolators
circuit breakers and load break switches

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GETCO Exam Paper (11-06-2017)
By increasing the transmission voltage to double of its original value the same power can be dispatched

equal to original value
one fourth of original value
double the original value
half the original value

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GETCO Exam Paper (11-06-2017)
Back to back HVDC is used to

decrease line losse
increase the transmission capability
provide stable interconnection
reduce voltage drop

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GETCO Exam Paper (11-06-2017)
For the protection of power system against travelling waves, we use

None of these
surge diverters
overhead ground wires
earthing screens

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GETCO Exam Paper (11-06-2017)
The lead sheath of the cable may get damaged due to

chemical action with impurities present in the soil when buried in earth
any one
crystallisation of lead through vibrations
mechanically injury

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GETCO Exam Paper (11-06-2017)
The injection of VARs is required to

all
get a good voltage profile
compensate for line losses
increase the voltage at the receiving end

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MORE MCQ ON GETCO Exam Paper (11-06-2017)

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