MGVCL Exam Paper (30-07-2021 Shift 3)
A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

0.1 Ω
2.5 Ω
0.25 Ω
1 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the velocity of wind is doubled then the power output will

doubled
reduced to half
increase by 6 times
increase by 8 times

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which among these components connects to physical equipments of the distribution system?

Communication infrastructure
None of these
Remote Terminal Unit
Central control room with host computers

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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)?

120 v
160 V
240 V
180 V

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