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 short circuit current
Symmetrical breaking current
Making current
Asymmetrical breaking current

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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
69.5 μF
99.5 μF
89.5 μF

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

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

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MGVCL Exam Paper (30-07-2021 Shift 1)
Simultaneous tripping of the circuit breaker at both ends of a transmission line is achieved by

distance protection
pilot protection
overcurrent protection
none of these

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MGVCL Exam Paper (30-07-2021 Shift 1)
Replace the underlined phrase in braket grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.

The new client had to pay money to initiates a account and activate their service

have to pay money to initiate an
The given sentence is correct
had to pay money to initiate an
had to pay money to initiate a

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