MGVCL Exam Paper (30-07-2021 Shift 3)
The sites where the capacity factor is ____ are not considered suitable for wind power generation.

greater than 24%
less than 24%
greater than 12%
less than 12%

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MGVCL Exam Paper (30-07-2021 Shift 3)
મેં મીઠાઈ બનાવી'. વાક્યને કેવળ ક્રિયાપદની પ્રેરક રચના કઈ છે?

હું મીઠાઈ બનાવવા લાગી.
મેં મીઠાઈ બનાવડાવી.
મેં મીઠાઈ બનાવી લીધી.
મીઠાઈ તો હું જ બનવું ને!

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MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

under-reach
over-reach
sometimes under-reach and sometimes over-reach
reach remains unaffected due to DC offset

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 50 Hz synchronous generator is connected to an infinite bus through a line. The p.u. reactances of generator and the line are j0.4 p.u. and j0.2 p.u. respectively. The generator no load voltage is 1.1 p.u. and that of infinite bus is 1.0 p.u. The inertia constant of the generator is 4 MW-sec/MVA. Determine the frequency of natural oscillations if the generator is loaded to 60% of its maximum power transfer capacity and small perturbation in power is given.

1.8 Hz
1.6 Hz
0.8 Hz
1.2 Hz

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

None of these
Reverse power protection
Time graded protection
Differential protection

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