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

MGVCL Exam Paper (30-07-2021 Shift 2)
Nangal Wildlife Sanctuary is located in which state?

Punjab

Sikkim

Tamil Nadu

Mizoram

Punjab

Sikkim

Tamil Nadu

Mizoram

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

4%

6%

3%

5%

4%

6%

3%

5%

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 4 hours. What is the permissible overload for a duration of four hours. Assume the permissible load kVA as a fraction of rated kVA is 1.24.

930 kVA

2480 kVA

1240 kVA

620 kVA

930 kVA

2480 kVA

1240 kVA

620 kVA

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MGVCL Exam Paper (30-07-2021 Shift 2)
In the circuit shown in figure, the voltage across 8 Ω resistor is 20 V. Calculate the supply voltage.

38 V

18 V

27 V

47 V

38 V

18 V

27 V

47 V

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MGVCL Exam Paper (30-07-2021 Shift 2)
A short-shunt dc compound generator supplies 50 A at 300 V. If the shunt field resistance, series field resistance and armature resistance are 30 Ω, 0.03Ω, and 0.05 Ω respectively, determine the e.m.f. generated.

304.5 V

302.5 V

306.5 V

308.5 V

304.5 V

302.5 V

306.5 V

308.5 V

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