MGVCL Exam Paper (30-07-2021 Shift 1)
As per ___ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is ___, it is predicted that the condition of paper insulation inside the transformer is poor.

IEC-599, less than 11
IEC-899, less than 11
IEC-599, more than 11
IEC-899, more than 11

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MGVCL Exam Paper (30-07-2021 Shift 1)
Determine the ohmic value of the current limiting reactor per phase external to a 30 MVA, 11 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 5 times the full load current. The reactance of the synchronous generator is 0.05 pu.

0.605 Ω
0.805 Ω
0.305 Ω
0.405 Ω

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MGVCL Exam Paper (30-07-2021 Shift 1)
A 16 A, Type B Miniature Circuit Breaker (MCB) will disconnect a fault in 0.1s when the fault current is

less than 16 A
greater than 32 A
between 48 A and 80 A
less than 16 A

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

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

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