MGVCL Exam Paper (30-07-2021 Shift 1)
What is the largest thermal power plant in India?

Sasan Ultra Mega Power Plant
Talcher Super Thermal Power Station
Vindhyachal Thermal Power Station
Mundra Thermal Power Station

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MGVCL Exam Paper (30-07-2021 Shift 1)
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 100 W lamp (L1)?

240V
180V
160 V
120V

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MGVCL Exam Paper (30-07-2021 Shift 1)
___ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of ___

Voltage swell, greater than 1 minute
Voltage sag, 0.5 cycle to 1 minute.
Voltage swell, 0.5 cycle to 1 minute.
Voltage sag, greater than 1 minute

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