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.

700 kVA
1050 kVA
715 kVA
1430 kVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
____ is the rms value of AC component of the current in the pole at the instant of contact separation.

Symmetrical short circuit current
Making current
Symmetrical breaking current
Asymmetrical breaking current

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP