MGVCL Exam Paper (30-07-2021 Shift 2)
Operating system is

a program that runs for short duration
a layer between the user and the hardware
a program that runs during log off
a program that runs during log off

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a power network, 400 kV is recorded at a 415 kV bus. A 50 MVAR, 415 kV shunt reactor is connected to the bus. What is the reactive power absorbed by the shunt reactor?

76.45 MVAR
56.45 MVAR
46.45 MVAR
66.45 MVAR

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MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss ____ and the magnetizing current (Im) ____

remains constant, decreases
increases, remains constant
increases, increases
decreases, increases

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