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

(i) and (iii) only

(ii) and (iii) only

(i), (ii) and (iii)

(i) and (ii) only

(i) and (iii) only

(ii) and (iii) only

(i), (ii) and (iii)

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a test by Murray loop for ground fault on 600 m of cable having a resistance of 1.5 Ω/km, the faulty cable is looped with a sound cable of the same length and area of cross section. If the ratio of the other two arms of the testing network at balance is 3 : 1, find the distance of the fault from the testing end of cables.

300 m

100 m

400 m

200 m

300 m

100 m

400 m

200 m

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

All of these

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

None of these

Thermistor

Thermometer

Thermopile

None of these

Thermistor

Thermometer

Thermopile

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

it will start reflecting the light

it will dissipate energy in the panel and increase its temperature

its voltage will go on increasing till its breakdown

it will stop absorbing light

it will start reflecting the light

it will dissipate energy in the panel and increase its temperature

its voltage will go on increasing till its breakdown

it will stop absorbing light

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MGVCL Exam Paper (30-07-2021 Shift 2)
Find the word which is correctly spelt from the given options.

Sentimant

Absurrd

Wrinkel

Maximum

Sentimant

Absurrd

Wrinkel

Maximum

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

MGVCL Exam Paper (30-07-2021 Shift 2) Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

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) Find the word which is correctly spelt from the given options.

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

MGVCL Exam Paper (30-07-2021 Shift 2)
Thermocouples can be connected in series/parallel to obtain greater sensitivity called as

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)
Find the word which is correctly spelt from the given options.