MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement is TRUE?

The current carrying capacity of cables in DC is less than that in AC.
Underground cables are laid at sufficient depth to avoid being unearthed easily due to removal of soil.
In the cables, sheaths are used to provide enough strength.
In the cables, the location of fault is usually found out by comparing the capacitances of insulated conductors.

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MGVCL Exam Paper (30-07-2021 Shift 2)
A given solar cell has the following specifications:
Open-circuit voltage, Voc: 0.7 V
Short-circuit current, Isc: 3 A
Voltage at maximum power, Vmp: 0.5 V
Current at maximum power, Imp : 2.65 A
Calculate the fill factor.

1.58
0.63
1.23
0.81

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MGVCL Exam Paper (30-07-2021 Shift 2)
A circular loop has its radius increasing at a rate of 2 m/s. The loop is placed perpendicular to a constant magnetic field of 0.1 Wb/m². When the radius of the loop is 2 m, the emf induced in the loop will be

zero
0.8π V
0.2π V
0.4π V

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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of these is not a monitoring and diagnostic test for transformer oil?

Dissolved Gas Analysis
Dissolved Metals Analysis
Furanic Compound Analysis
Volatility Level Analysis

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