MGVCL Exam Paper (30-07-2021 Shift 1)
આપેલ વિકલ્પો પૈકી દ્રવ્યવાચક સંજ્ઞાનું વાકય કયું છે?

ગુરુ એવો હોવો જોઈએ જેની વાણીમાં મીઠાસ હોય.
આજકાલ ઠંડી હવા પ્રસરવા લાગી છે.
રણવીરને બોલીવુડનો બાહુબલી કહી શકાય.
મહારાષ્ટ્રમાં અનેક શહેરો છે.

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MGVCL Exam Paper (30-07-2021 Shift 1)
For protection of inter-turn fault in transformer, the relays preferred are

Overcurrent relay and differential relay
Overcurrent relay and Buchholz's relay
Buchholz's relay and differential relay
Buchholz's relay, overcurrent relay and differential relay

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MGVCL Exam Paper (30-07-2021 Shift 1)
While selecting the gas for a circuit breaker, the property of gas that should be considered is its
(i) dielectric strength
(ii) non-inflammability
(iii) non-toxicity

(i), (ii) and (iii)
(i) and (ii) only
(i) only
(i) and (iii) only

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MGVCL Exam Paper (30-07-2021 Shift 1)
The expression for voltage regulation of a short transmission line for lagging power factor is given by: ___, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resistance and 'X' is the line reactance.

(IR cosφ_r - IX sinφ_r)/V_r
(IX cosφ_r - IR sinφ_r)/V_r
(IR cosφ_r + IX sinφ_r)/V_r
(IX cosφ_r + IR sinφ_r)/V_r

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