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.

72.55 pF
82.55 pF
92.55 pF
62.55 pF

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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.

0.25 Ω
1 Ω
0.1 Ω
2.5 Ω

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

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