MGVCL Exam Paper (30-07-2021 Shift 2)
A sudden, non power frequency change in the steady state condition of voltage or current that is bidirectional in polarity is called as

Impulsive transient
Oscillatory transients
Distortion
Harmonic

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

All of these
substation reactive power control
feeder remote point voltage control
automatic reclosing

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