MGVCL Exam Paper (30-07-2021 Shift 1)
Match the following

A = (ii), B = (i), C = (iii)
A = (iii), B = (i), C = (ii)
A = (ii), B = (iii), C = (i)
A = (iii), B = (ii), C = (i)

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MGVCL Exam Paper (30-07-2021 Shift 1)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L1) of 100 W is connected to one phase and neutral and a lamp (L2) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 100 W lamp (L1)?

160 V
180V
120V
240V

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

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MGVCL Exam Paper (30-07-2021 Shift 1)
A given solar cell has the following specifications: Isc = 4 A and Voc = 0.7 V. Consider that 20 identical cells with the above specifications are to be interconnected to create a PV module. What is the open-circuit voltage of the PV module if all the solar cells are connected in a series configuration?

12.6 V
14 V
0.7 V
11.2 V

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