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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008)
The number of pilot wires required for protecting 3-phase transmission lines using Translay System of protection is

3
4
2
6

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GETCO Exam Paper (30-11-2008)
An AC transmission line requires a VAR input:

to improve stability
to improve the regulation
to increase power transmission
to reduce losses

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GETCO Exam Paper (30-11-2008)
If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay.

none of these
equal to
lower than
higher than

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GETCO Exam Paper (30-11-2008)
The power transmitted will be maximum when

reactance is high
corona losses are least
sending end voltage is more
receiving end voltage is more

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GETCO Exam Paper (30-11-2008)
The arc voltage in a C.B. is _____ with the arc current

in phase
none of these
lagging by 90˚
leading by 90˚

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GETCO Exam Paper (30-11-2008)
Choose the word which is most nearly the SAME in meaning
SPRING

source
overpower
means
issue forth

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