MGVCL Exam Paper (30-07-2021 Shift 3)
Thermopile is used for the measurement of

temperature
emf
flow rate
current

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MGVCL Exam Paper (30-07-2021 Shift 3)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end.

300 m
400 m
100 m
200 m

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MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

under-reach
reach remains unaffected due to DC offset
over-reach
sometimes under-reach and sometimes over-reach

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MGVCL Exam Paper (30-07-2021 Shift 3)
What is the full form of the acronym 'SWIFT', in financial institution?

Social Wide in Financial Transaction
Society website in Financial Terms
Society for Worldwide Interbank Financial Telecommunication
Social World interconnection in Financial Tech process

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MGVCL Exam Paper (30-07-2021 Shift 3)
A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by

σ/(4πε)
σ²/(4π)
σ²/(2πε)
σ²/(2ε)

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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.

2.5 Ω
0.25 Ω
1 Ω
0.1 Ω

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