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GETCO EXAM PAPER (22-07-2015)

GETCO Exam Paper (22-07-2015)
The fault occurring in transmission actually are mostly

L-G
L-L-L
L-L
L-L-G

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
The value of holding ratio of relay is always

less than 1
Infinite
greater than 1
zero

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SIL = (kV)²/Z₀

GETCO Exam Paper (22-07-2015)
The power factor of the arc in circuit breaker is

always zero
always unity
always lagging
always leading

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GETCO Exam Paper (22-07-2015)
The relay which is most sensitive to power swings (mal operation) is

Over current Relay
Reactance Relay
Mho Relay
Impedance Relay

ANSWER DOWNLOAD EXAMIANS APP
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