MGVCL Exam Paper (30-07-2021 Shift 1)
If a 415 V, 50 Hz, star-connected, three-phase squirrel-cage induction motor is operated from a 415 V, 70 Hz supply, the torque that the motor can now provide while drawing rated current from the supply

remains the same
reduces
increases
increases or reduces depending upon the rotor resistance

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MGVCL Exam Paper (30-07-2021 Shift 1)
Match the following

A = (ii), B = (iii), C = (i)
A = (iii), B = (ii), C = (i)
A = (ii), B = (i), C = (iii)
A = (iii), B = (i), C = (ii)

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MGVCL Exam Paper (30-07-2021 Shift 1)
Determine maximum permissible load which a 15 MVA, ONAN cooled transformer to IS : 2026 can take for 6 hr, if the initial load on it was 12 MVA. The weighted ambient temperature is 20˚C. Assume the permissible load kVA as a fraction of rated kVA is 1.25.

9.6 MVA
18.75 MVA
15 MVA
12 MVA

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

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

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