MGVCL Exam Paper (30-07-2021 Shift 2)
A single phase motor connected to 415 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.

96.32 µF
66.32 µF
76.32 µF
86.32 µF

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MGVCL Exam Paper (30-07-2021 Shift 2)
Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

Thermistor
Thermopile
None of these
Thermometer

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MGVCL Exam Paper (30-07-2021 Shift 2)
The magnitude of the generator earth-fault current is limited by

using higher rating CTs
controlling field exciter
inserting the stabilizing resistance in series with the relay
inserting suitable resistance in neutral grounding circuit

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE?

ABC system requires more clearance, insulators and high maintenance.
The overall cost of the ABC system is very high as compared to the bare conductor system.
ABC system is not suitable for rural electrification which are situated in difficult terrain, hills, forests and coastal areas.
ABC system totally eliminates the fault on lines and thereby improving the quality of supply.

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