MGVCL Exam Paper (30-07-2021 Shift 3)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load

350√3 VAR
350/√3 VAR
450√3 VAR
450/√3 VAR

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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.

short circuit test
synthetic test
dielectric test
routine test

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

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

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