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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
The normal percentage bias setting of differential relay used for transformer protection will be

above 75%
between 10% and 50%
between 50% and 75%
below 10%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
Three equal star-connected inductors take 8 kW at 0.8 power factor when connected to a 460 V three - phase 3-wire supply. If one of the inductor in phase – Y is short circuited, then the line current in phase-Y is ___ Assume RYB sequence.

27.6 A
21.7 A
31.7 A
37.6 A

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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.

18.75 MVA
9.6 MVA
15 MVA
12 MVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP