MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

0.73 mH and 13.85 pF
0.53 H and 15.83 pF
0.53 mH and 15.83 pF
0.73 H and 13.85 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
The purpose of ____ is to check the ability of the circuit breaker to withstand the overvoltages at power frequency as well as undesired value of voltage during lightning and other discharge phenomenon.

synthetic test
dielectric test
short circuit test
routine test

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MGVCL Exam Paper (30-07-2021 Shift 3)
Replace the braketed phrase grammatically and conceptually with the help of the given opation. If the given sentence is correct then select the option ’The given sentence is correct’.
The corono virus continued to spread, with the development of infections advancing quickly

continued to spreading, with the development of infections
The given sentence is correct
continue to spread, with the development of infections
continued for spread, with the development of infections

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MGVCL Exam Paper (30-07-2021 Shift 3)
Determine the ohmic value of the current limiting reactor per phase external to a 40 MVA, 15 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 6 times the full load current. The reactance of the synchronous generator is 0.06 pu.

0.2 Ω
0.6 Ω
0.4 Ω
0.8 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

constant and not affected by radiation
directly proportional to radiation intensity
inversely proportional to radiation intensity
changes logarithmically with radiation

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