MGVCL Exam Paper (30-07-2021 Shift 2)
In the circuit shown in figure, the voltage across 8 Ω resistor is 20 V. Calculate the supply voltage.

47 V
18 V
27 V
38 V

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MGVCL Exam Paper (30-07-2021 Shift 2)
When different types of consumers are charged at different uniform per unit rates, it is called as ____

flat rate tariff
maximum demand tariff
two-part tariff
block rate tariff

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

automatic reclosing
substation reactive power control
feeder remote point voltage control
All of these

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MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

it will dissipate energy in the panel and increase its temperature
it will stop absorbing light
its voltage will go on increasing till its breakdown
it will start reflecting the light

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MGVCL Exam Paper (30-07-2021 Shift 2)
The expression for voltage regulation of a short transmission line for leading power factor is given by: ____, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resitance and 'X' is the line reactance.

(IRcosφ_r - IXsinφ_r)/V_r
(IXcosφ_r + IRsinφ_r)/V_r
(IXcosφ_r - IRsinφ_r)/V_r
(IRcosφ_r + IXsinφ_r)/V_r

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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?

66.45 MVAR
46.45 MVAR
76.45 MVAR
56.45 MVAR

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