MGVCL Exam Paper (30-07-2021 Shift 1)
Voltage dips cannot be caused by which of the following:

Local and Remote faults
Capacitive Switching
Switching on of Large Loads
Inductive Loading

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MGVCL Exam Paper (30-07-2021 Shift 1)
___ is the rms value of the total current comprising the AC and DC components of the current in the circuit breaker pole at the instant of contact separation.

Symmetrical breaking current
Asymmetrical breaking current
Symmetrical short circuit current
Making current

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MGVCL Exam Paper (30-07-2021 Shift 1)
For protection of inter-turn fault in transformer, the relays preferred are

Overcurrent relay and Buchholz's relay
Overcurrent relay and differential relay
Buchholz's relay and differential relay
Buchholz's relay, overcurrent relay and differential relay

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MGVCL Exam Paper (30-07-2021 Shift 1)
A single phase motor connected to 400 V, 50 Hz supply takes 30 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.

79.5 μF
89.5 μF
99.5 μF
69.5 μF

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