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MGVCL EXAM PAPER (30-07-2021 SHIFT 2) QUIZ

In a short circuit test on circuit breaker, time to reach the peak re-striking voltage is 50 µs with the peak restriking voltage of 100 kV. Determine average RRRV (Rate of rise re-striking voltage)?

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A single phase motor connected to 415 V, 50 Hz supply takes 30 A at a power factor of 0.7 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.9 lagging.

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A MOSFET rated for 15 A, carries a periodic current as shown in figure. The ON state resistance of the MOSFET is 0.15 Ω. The average ON state loss in the MOSFET is

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If all the devices are connected to a central hub, then the topology is called

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Encrypted security payload extension header is new in

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Rearrange the following to form a meaningful sentence and find the most logical order from the given options.<br/>P: dancers make the company<br/>Q: and they do not have<br/>R: a big team of professional<br/>S: a ‘guru shishya’ hierarchy

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Which of the following is a national organisation monitoring the doping control programme in sports in India?

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A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

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A three-phase, 4-pole, 50 Hz induction motor runs at 1425 rpm. Find out the percentage slip of the induction motor.

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In transformer, bushing failure occurs due to<br/>(i) transformer vibrations<br/>(ii) dielectric losses<br/>(ii) partial discharge

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