આપને કાઈ મશીન નથી કે અમુક ગોઠવણો પ્રમાણે કાર્ય જ કરીએ. - ઉપરોક્ત વાક્ય જુદાં પાડવા ક્યાં સંયોજકો કાઢવા પડે.

MGVCL Exam Paper (30-07-2021 Shift 2)
આપને કાઈ મશીન નથી કે અમુક ગોઠવણો પ્રમાણે કાર્ય જ કરીએ. - ઉપરોક્ત વાક્ય જુદાં પાડવા ક્યાં સંયોજકો કાઢવા પડે.

કાઈ

કે

જ

અમુક

કાઈ

કે

જ

અમુક

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MGVCL Exam Paper (30-07-2021 Shift 2)
A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor.

0.62

0.82

0.52

0.72

0.62

0.82

0.52

0.72

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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 (ii) only

(i) and (iii) only

(i), (ii) and (iii)

(ii) and (iii) only

(i) and (ii) only

(i) and (iii) only

(i), (ii) and (iii)

(ii) and (iii) only

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MGVCL Exam Paper (30-07-2021 Shift 2)
In the circuit of figure, the switch is closed to position-1 for a long time. At t = 0 the switch position is changed from postion-1 to postion-2. Find an expression for the current i(t).

i(t) = (E/R) cos[1/√(LC)]t A

i(t) = (E/R) sin√(LC) t A

i(t) = (E/R) sin[1/√(LC)]t A

i(t) = (E/R) cos√(LC) t A

i(t) = (E/R) cos[1/√(LC)]t A

i(t) = (E/R) sin√(LC) t A

i(t) = (E/R) sin[1/√(LC)]t A

i(t) = (E/R) cos√(LC) t A

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MGVCL Exam Paper (30-07-2021 Shift 2)
The operating time of an inverse definite minimum time (IDMT) overcurrent relay is proportional to the plug-setting multiplier (PSM) andproportional to the time-multiplier setting (TMS).

inversely, directly

inversely, inversely

directly, directly

directly, inversely

inversely, directly

inversely, inversely

directly, directly

directly, inversely

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MGVCL Exam Paper (30-07-2021 Shift 2)
The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.

between 2 to 3 times

between 5 to 10 times

between 3 to 5 times

between 10 to 20 times

between 2 to 3 times

between 5 to 10 times

between 3 to 5 times

between 10 to 20 times

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

MGVCL Exam Paper (30-07-2021 Shift 2) A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor.

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 the circuit of figure, the switch is closed to position-1 for a long time. At t = 0 the switch position is changed from postion-1 to postion-2. Find an expression for the current i(t).

MGVCL Exam Paper (30-07-2021 Shift 2) The operating time of an inverse definite minimum time (IDMT) overcurrent relay is ____ proportional to the plug-setting multiplier (PSM) and____proportional to the time-multiplier setting (TMS).

MGVCL Exam Paper (30-07-2021 Shift 2) The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.

MGVCL Exam Paper (30-07-2021 Shift 2)
A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor.

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 the circuit of figure, the switch is closed to position-1 for a long time. At t = 0 the switch position is changed from postion-1 to postion-2. Find an expression for the current i(t).

MGVCL Exam Paper (30-07-2021 Shift 2)
The operating time of an inverse definite minimum time (IDMT) overcurrent relay is proportional to the plug-setting multiplier (PSM) andproportional to the time-multiplier setting (TMS).

MGVCL Exam Paper (30-07-2021 Shift 2)
The miniature circuit breaker (MCB) with Class D trip characteristics trips instantaneously when the current flowing through it reaches ____ the rated current.