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

MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

Reverse power protection

Time graded protection

Differential protection

None of these

Reverse power protection

Time graded protection

Differential protection

None of these

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

less than 10 A

between 10 A and 50 A

between 50 A and 100 A

greater than 100 A

less than 10 A

between 10 A and 50 A

between 50 A and 100 A

greater than 100 A

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

doubled

reduced to half

increase by 6 times

increase by 8 times

doubled

reduced to half

increase by 6 times

increase by 8 times

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MGVCL Exam Paper (30-07-2021 Shift 3)
Transistors were used in

Fourth Generation Computers

Second Generation Computers

Third Generation Computers

First Generation Computers

Fourth Generation Computers

Second Generation Computers

Third Generation Computers

First Generation Computers

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MGVCL Exam Paper (30-07-2021 Shift 3)
The complex power injections at a bus are shown in figure Two lines connected drawing the powers as shown in figure. The complex power in the line-2 "S2" is

2+j5

2+j1

2-j1

2-j5

2+j5

2+j1

2-j1

2-j5

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a power network, 375 kV is recorded at a 400 kV bus. A 45 MVAR, 400 kV shunt reactor is connected to the bus. What is the reactive power absorbed by the shunt reactor?

69.55 MVAR

49.55 MVAR

39.55 MVAR

59.55 MVAR

69.55 MVAR

49.55 MVAR

39.55 MVAR

59.55 MVAR

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