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 (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)

(i) and (ii) only

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MGVCL Exam Paper (30-07-2021 Shift 2)
In circuit breaker, the term MCCB stands for

moulded case circuit breaker

miniature compact circuit breaker

miniature case circuit breaker

modern closed circuit breaker

moulded case circuit breaker

miniature compact circuit breaker

miniature case circuit breaker

modern closed circuit breaker

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MGVCL Exam Paper (30-07-2021 Shift 2)
શિક્ષકે વિદ્યાર્થીને વાર્તા કહી'
1. વાક્ય અક્મર્ક છે.
2. વાક્ય દ્રીકર્મક છે.
3. વાક્યમાં વિદ્યાર્થીને 'પ્રધાન કર્મ' છે અને વાર્તા 'ગૌણ કર્મ' છે.
4.વાક્યમાં વાર્તાને 'પ્રધાન કર્મ' છે અને વિધાથીને 'ગૌણ કર્મ' છે

2,4

2,3

1,3

2,4

2,3

1,3

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MGVCL Exam Paper (30-07-2021 Shift 2)
સ્વાધીન' નો વિરોધીભાસી શબ્દ કયો છે?

પરાધીન

અસ્વાધીન

કુવાધીન

નીસ્વધીન

પરાધીન

અસ્વાધીન

કુવાધીન

નીસ્વધીન

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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.

6%

5%

4%

3%

6%

5%

4%

3%

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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

increase the sensitivity of the relay

limit the main CT secondary current

minimize the effect of saturation of the main CTs

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

increase the sensitivity of the relay

limit the main CT secondary current

minimize the effect of saturation of the main CTs

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

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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) In circuit breaker, the term MCCB stands for

MGVCL Exam Paper (30-07-2021 Shift 2) સ્વાધીન' નો વિરોધીભાસી શબ્દ કયો છે?

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.

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

MGVCL Exam Paper (30-07-2021 Shift 2)
In circuit breaker, the term MCCB stands for

MGVCL Exam Paper (30-07-2021 Shift 2)
સ્વાધીન' નો વિરોધીભાસી શબ્દ કયો છે?

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.

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