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

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

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MGVCL Exam Paper (30-07-2021 Shift 3)
A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

1 Ω
2.5 Ω
0.1 Ω
0.25 Ω

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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.

dielectric test
short circuit test
routine test
synthetic test

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a single phase energy meter, the pressure / voltage coil is wound on

the edges of the limb on the laminated core
both the limbs of the laminated core with same turns
both the limbs of the laminated core with different turns
the centre limb of the laminated core / the middle limb of the shunt magnet

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