MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3)
The process of peeling of rocks into layers is called

Delta

Exfoliation

Brachans

Sublimation

Delta

Exfoliation

Brachans

Sublimation

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MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

reach remains unaffected due to DC offset

under-reach

sometimes under-reach and sometimes over-reach

over-reach

reach remains unaffected due to DC offset

under-reach

sometimes under-reach and sometimes over-reach

over-reach

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MGVCL Exam Paper (30-07-2021 Shift 3)
In public sector, what is the full form of "LIC"?

Life Insurers

Lively Insurance Corporation

Life Insurance Corporation

Life Insurance Company

Life Insurers

Lively Insurance Corporation

Life Insurance Corporation

Life Insurance Company

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

82.55 pF

62.55 pF

72.55 pF

92.55 pF

82.55 pF

62.55 pF

72.55 pF

92.55 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V, pinch-off would occur at a drain voltage of

3.5 V

2.5 V

1.5 V

4.5 V

3.5 V

2.5 V

1.5 V

4.5 V

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the velocity of wind is doubled then the power output will

reduced to half

doubled

increase by 6 times

increase by 8 times

reduced to half

doubled

increase by 6 times

increase by 8 times

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