Nangal Wildlife Sanctuary is located in which state?

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

Tamil Nadu

Mizoram

Punjab

Sikkim

Tamil Nadu

Mizoram

Punjab

Sikkim

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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.

302.5 V

306.5 V

304.5 V

308.5 V

302.5 V

306.5 V

304.5 V

308.5 V

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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

47 V

27 V

18 V

38 V

47 V

27 V

18 V

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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)

remains constant, decreases

increases, remains constant

increases, increases

decreases, increases

remains constant, decreases

increases, remains constant

increases, increases

decreases, increases

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MGVCL Exam Paper (30-07-2021 Shift 2)
In transformer, bushing failure occurs due to
(i) transformer vibrations
(ii) dielectric losses
(ii) partial discharge

(i) and (iii) only

(i) and (ii) only

(ii) and (iii) only

(i), (ii) and (iii)

(i) and (iii) only

(i) and (ii) only

(ii) and (iii) only

(i), (ii) and (iii)

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

limit the main CT secondary current

match the standard ratio of CTs used on both sides of the transformer winding

increase the sensitivity of the relay

minimize the effect of saturation of the main CTs

limit the main CT secondary current

match the standard ratio of CTs used on both sides of the transformer winding

increase the sensitivity of the relay

minimize the effect of saturation of the main CTs

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

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

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.

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.

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) In transformer, bushing failure occurs due to(i) transformer vibrations(ii) dielectric losses(ii) partial discharge

MGVCL Exam Paper (30-07-2021 Shift 2) Interposing current-transformer (CT) is used in differential protection of a transformer to

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

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.

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.

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)
In transformer, bushing failure occurs due to
(i) transformer vibrations
(ii) dielectric losses
(ii) partial discharge

MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to