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.

66.32 µF
96.32 µF
86.32 µF
76.32 µF

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MGVCL Exam Paper (30-07-2021 Shift 2)
When different types of consumers are charged at different uniform per unit rates, it is called as ____

flat rate tariff
block rate tariff
maximum demand tariff
two-part tariff

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MGVCL Exam Paper (30-07-2021 Shift 2)
A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is:

75 kVAR
50 kVAR
25 kVAR
100 kVAR

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a single phase energy meter, the shunt electromagnet is energized by a ____of ____

pressure coil, thick wire of few turns
current coil, thin wire of more turns
pressure coil, thin wire of more turns
current coil, thick wire of few turns

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