MGVCL Exam Paper (30-07-2021 Shift 2)
In a synchronous motor with field under excited, the power factor will be

zero
lagging
unity
leading

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MGVCL Exam Paper (30-07-2021 Shift 2)
A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series opposing.

932 mH
1135 mH
730 mH
1270 mH

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MGVCL Exam Paper (30-07-2021 Shift 2)
A generating station having 'n' section busbars each rated at Q kVA with ×% reactance is connected on the tie-bars systems through busbar reactances of b%. Determine the short circuit kVA if a 3-phase fault takes place on one section.

Q[(1/x) - (n+1)/(bn-x)]
Q[(1/x) + (n+1)/(bn+x)]
Q[(1/x) + (n-1)/(bn+x)]
Q[(1/x) + (n+1)/(bn-x)]

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MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

it will dissipate energy in the panel and increase its temperature
it will stop absorbing light
it will start reflecting the light
its voltage will go on increasing till its breakdown

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MGVCL Exam Paper (30-07-2021 Shift 2)
Replace the underlined phrase grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.
The HR will give an topic to test the ability of our employees for the new project

The given sentence is correct
will give a topic to testing the ability of
will gives a topic to test the ability of
will give a topic to test the ability of

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