MGVCL Exam Paper (30-07-2021 Shift 3)
In transformer testing, Sweep Frequency Response Analysis (SFRA) testing is a tool to help locate ____

Short circuits
Core movement
All of these
Winding damage

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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
Time graded protection
Differential protection
Reverse power protection

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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

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
the edges of the limb on the laminated core

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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.

0.1 Ω
2.5 Ω
1 Ω
0.25 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
What are the main challenges that the electric grid faces?

Global rise in temperature
Increase in Energy Demand
Reliability and Power Quality is Declining
All of these

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