MGVCL Exam Paper (30-07-2021 Shift 1)
Recently, Dr. Subir Vithal Gokarn passed away due to illness. He is a/an ___

Former Chief Minister of Gujarat
Former IAS Officer
Former Finance Minister
Former RBI Deputy Governor

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MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

Movement of the windings (change in capacitance)
Whether the oil test indicates moisture
Turns ratio values
Condition of paper insulation (change in watts losses)

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MGVCL Exam Paper (30-07-2021 Shift 1)
Case 1: The PV connected to the DC bus was injecting 20 kW of power constituting of 1 kW of loss
Case 2: The same PV is connected to the AC bus constituting to 1.5 kW loss. Find out the change in efficiency from Case 1 to Case 2?

2.5% increase
5% increase
5% decrease
2.5% decrease

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