MGVCL Exam Paper (30-07-2021 Shift 2)
The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is

E = Vx(d)²
E = V x d
E = V/(d)²
E = V/d

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 50 Hz synchronous generator is connected to an infinite bus through a line. The p.u. reactances of generator and the line are j0.3 p.u. and j0.2 p.u. respectively. The generator no load voltage is 1.1 p.u. and that of infinite bus is 1.0 p.u. The inertia constant of the generator is 4 MW-sec/MVA. Determine the frequency of natural oscillations if the generator is loaded to 60% of its maximum power transfer capacity and small perturbation in power is given.

1.32 Hz
1.52 Hz
1.62 Hz
1.42 Hz

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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
its voltage will go on increasing till its breakdown
it will stop absorbing light
it will start reflecting the light

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MGVCL Exam Paper (30-07-2021 Shift 2)
The wind speed increases with height because of

enhancement of drag effect on the earth surface
reduction of drag effect of the earth surface
reduction in the gravitational force
reduction in lift effect of the air

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MGVCL Exam Paper (30-07-2021 Shift 2)
Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

None of these
Thermopile
Thermometer
Thermistor

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