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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Switching surges are

short duration transient voltage
high voltage Acs
high votage DCs
power frequency voltage

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

1000 kW
250 MW
400 MW
1000 MW

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SIL = (kV)²/Z₀

GETCO Exam Paper (22-07-2015)
The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by

-0.4
1.2
1.8
0.4

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GETCO Exam Paper (22-07-2015)
When the load is suddenly increased in the receiving end of the system, the phase shift will

increase
Not affected
decrease
remains same

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GETCO Exam Paper (22-07-2015)
The RMS value of the voltage u(t) = 3 + 4 cos(3t) is

3 + 2(1.41)
5
7
4.12

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

if voltage is given by,
v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …
RMS value is given by,
√( V₀² + (V₁/√2)² + (V₂/√2)² + …)

GETCO Exam Paper (22-07-2015)
The national song of India was composed by

Bankim Chandra Chatterji
Iqbal
Jai Shankar Prasad
Rabindranath Tagore

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

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