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

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 (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)

(i) and (iii) only

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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

increases, increases

remains constant, decreases

decreases, increases

increases, remains constant

increases, increases

remains constant, decreases

decreases, increases

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MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

it will dissipate energy in the panel and increase its temperature

it will stop absorbing light

its voltage will go on increasing till its breakdown

it will start reflecting the light

it will dissipate energy in the panel and increase its temperature

it will stop absorbing light

its voltage will go on increasing till its breakdown

it will start reflecting the light

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

Tamil Nadu

Punjab

Sikkim

Mizoram

Tamil Nadu

Punjab

Sikkim

Mizoram

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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.

308.5 V

306.5 V

302.5 V

304.5 V

308.5 V

306.5 V

302.5 V

304.5 V

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

automatic reclosing

feeder remote point voltage control

substation reactive power control

All of these

automatic reclosing

feeder remote point voltage control

substation reactive power control

All of these

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

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) 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) If no load is connected to solar PV system,

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) Which of the following does the term 'feeder automation' include?

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)
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)
If no load is connected to solar PV system,

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)
Which of the following does the term 'feeder automation' include?