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GETCO Exam Paper (22-07-2015)

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

1000 MW
250 MW
1000 kW
400 MW

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SIL = (kV)²/Z₀

GETCO Exam Paper (22-07-2015)
The instantaneous value of power in purely inductive circuit is

constant
zero
none of this
changing

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero

GETCO Exam Paper (22-07-2015)
Critical clearing time of a fault in a power system is related to

Transient stability limit
Reactive power limit
Steady state limit
Short circuit limit

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GETCO Exam Paper (22-07-2015)
Which of the following is not true about fuel cells?

need more than two electrode
cost is higher than batteries
more efficient
no recharging is needed

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

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

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GETCO Exam Paper (22-07-2015)
Who was the political Guru of Netaji?

Gokhle
Lokmanya Tilak
R. Das
Sardar Patel

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

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