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

MGVCL Exam Paper (30-07-2021 Shift 2)
A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

350 kA

25 kA

35 kA

2500 A

350 kA

25 kA

35 kA

2500 A

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MGVCL Exam Paper (30-07-2021 Shift 2)
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

3.8 W

7.5 W

15 W

33.8 W

3.8 W

7.5 W

15 W

33.8 W

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of these is not a monitoring and diagnostic test for transformer oil?

Volatility Level Analysis

Dissolved Gas Analysis

Furanic Compound Analysis

Dissolved Metals Analysis

Volatility Level Analysis

Dissolved Gas Analysis

Furanic Compound Analysis

Dissolved Metals Analysis

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MGVCL Exam Paper (30-07-2021 Shift 2)
In the RLC series circuit shown in figure, resonance occurs when the value of C is 20 µF. The supply voltages is v(t) = 20 sin (500t) V. Find the value of L.

0.2 mH

0.2 H

5 H

5 mH

0.2 mH

0.2 H

5 H

5 mH

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MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss and the magnetizing current (Im)

increases, remains constant

remains constant, decreases

decreases, increases

increases, increases

increases, remains constant

remains constant, decreases

decreases, increases

increases, increases

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MGVCL Exam Paper (30-07-2021 Shift 2)
Match the following shown in figure

A = (i) & (3)

A = (iii) & (2)

B = (ii) & (1)

C = (ii) & (1)

A = (i) & (3)

A = (iii) & (2)

B = (ii) & (1)

C = (ii) & (1)

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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2) A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

MGVCL Exam Paper (30-07-2021 Shift 2) 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

MGVCL Exam Paper (30-07-2021 Shift 2) Which one of these is not a monitoring and diagnostic test for transformer oil?

MGVCL Exam Paper (30-07-2021 Shift 2) In the RLC series circuit shown in figure, resonance occurs when the value of C is 20 µF. The supply voltages is v(t) = 20 sin (500t) V. Find the value of L.

MGVCL Exam Paper (30-07-2021 Shift 2) The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss ____ and the magnetizing current (Im) ____

MGVCL Exam Paper (30-07-2021 Shift 2) Match the following shown in figure

MGVCL Exam Paper (30-07-2021 Shift 2)
A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

MGVCL Exam Paper (30-07-2021 Shift 2)
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

MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of these is not a monitoring and diagnostic test for transformer oil?

MGVCL Exam Paper (30-07-2021 Shift 2)
In the RLC series circuit shown in figure, resonance occurs when the value of C is 20 µF. The supply voltages is v(t) = 20 sin (500t) V. Find the value of L.

MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss and the magnetizing current (Im)

MGVCL Exam Paper (30-07-2021 Shift 2)
Match the following shown in figure