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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
I _____ tennis every Sunday morning

play
am play
playing
am playing

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GETCO Exam Paper (22-07-2015)
The insulation strength of an EHV transmission line is mainly governed by

Switching over voltages
Corona
Harmonics
Load power factor

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GETCO Exam Paper (22-07-2015)
Oil is mostly _____ by trucks in India

transmit
transfer
deliver
transport

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GETCO Exam Paper (22-07-2015)
In differential protection scheme, a stabilizing resistance connected to

block harmonics
reduce the effect of non identical CTs
increase the current limit
increase the relay sensitivity

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

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GETCO Exam Paper (22-07-2015)
HVDC transmission is preferred to EHV AC because

Its terminal equipment are inexpensive
System stability can be improved
Harmonic problem is avoided
VAR compensation is not required in it

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

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