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

MGVCL Exam Paper (30-07-2021 Shift 3)
Which state is the largest producer of wind energy in India?

Madhya Pradesh

Andhra Pradesh

Maharashtra

Tamil Nadu

Madhya Pradesh

Andhra Pradesh

Maharashtra

Tamil Nadu

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

1050 kVA

715 kVA

1430 kVA

700 kVA

1050 kVA

715 kVA

1430 kVA

700 kVA

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MGVCL Exam Paper (30-07-2021 Shift 3)
A three phase four pole 50 Hz induction motor has a rotor resistance of 0.02 Ω/phase and stand-still reactance of 0.5 Ω/phase. Calculate the speed at which the maximum torque is developed.

1500 rpm

1525 rpm

1475 rpm

1440 rpm

1500 rpm

1525 rpm

1475 rpm

1440 rpm

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MGVCL Exam Paper (30-07-2021 Shift 3)
Thermopile is used for the measurement of

flow rate

emf

temperature

current

flow rate

emf

temperature

current

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MGVCL Exam Paper (30-07-2021 Shift 3)
The elements are specialized computers used to connect two or more transmission lines.

Broadcasting

Networking

Switching

Transfering

Broadcasting

Networking

Switching

Transfering

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency.

63.66%

28.33%

50.55%

76.66%

63.66%

28.33%

50.55%

76.66%

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