MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

82.55 pF
72.55 pF
62.55 pF
92.55 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

None of these
Reverse power protection
Time graded protection
Differential protection

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MGVCL Exam Paper (30-07-2021 Shift 3)
The purpose of ____ is to check the ability of the circuit breaker to withstand the overvoltages at power frequency as well as undesired value of voltage during lightning and other discharge phenomenon.

routine test
synthetic test
dielectric test
short circuit test

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MGVCL Exam Paper (30-07-2021 Shift 3)
Match the following shown in table

A = (iii), B = (i), C = (ii)
A = (ii), B = (iii), C = (i)
A = (ii), B = (i), C = (iii)
A = (iii), B = (ii), C = (i)

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

directly proportional to radiation intensity
changes logarithmically with radiation
inversely proportional to radiation intensity
constant and not affected by radiation

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