MGVCL Exam Paper (30-07-2021 Shift 2)
In a short circuit test on circuit breaker, time to reach the peak re-striking voltage is 50 µs with the peak restriking voltage of 100 kV. Determine average RRRV (Rate of rise re-striking voltage)?

3 x 10⁶ kV/sec
2 x 10⁶ kV/sec
4 x 10⁶ kV/sec
1 x 10⁶ kV/sec

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MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss ____ and the magnetizing current (Im) ____

remains constant, decreases
increases, increases
increases, remains constant
decreases, increases

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = 10 kW and W2 = 20 kW
W1 = -10 kW and W2 = 40 kW
W1 = 5 kW and W2 = 25 kW
W1 = -5 kW and W2 = 35 kW

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MGVCL Exam Paper (30-07-2021 Shift 2)
According to Global Wind Energy Council in 2016, India ranked____ in the Global Wind Power Installed Capacity Index with cumulative installed wind power generation.

Fourth
First
Third
Second

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