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

it will start reflecting the light
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

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MGVCL Exam Paper (30-07-2021 Shift 2)
A power factor less than unity results in which of the following disadvantages?
(i) Large kVA rating of equipment
(ii)Poor voltage regulation
(iii) Greater conductor size

(i) and (ii) only
(i), (ii) and (iii)
(ii) and (iii) only
(i) and (iii) only

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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 gives a topic to test the ability of
will give a topic to test the ability of
will give a topic to testing the ability of

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = -10 kW and W2 = 40 kW
W1 = -5 kW and W2 = 35 kW
W1 = 10 kW and W2 = 20 kW
W1 = 5 kW and W2 = 25 kW

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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.

1270 mH
932 mH
1135 mH
730 mH

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