MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

1430 kVA
715 kVA
700 kVA
1050 kVA

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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 :

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

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

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

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?

240 V
120 v
180 V
160 V

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