MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

Reverse power protection
Time graded protection
None of these
Differential protection

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 50 Hz synchronous generator is connected to an infinite bus through a line. The p.u. reactances of generator and the line are j0.4 p.u. and j0.2 p.u. respectively. The generator no load voltage is 1.1 p.u. and that of infinite bus is 1.0 p.u. The inertia constant of the generator is 4 MW-sec/MVA. Determine the frequency of natural oscillations if the generator is loaded to 60% of its maximum power transfer capacity and small perturbation in power is given.

1.2 Hz
0.8 Hz
1.8 Hz
1.6 Hz

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MGVCL Exam Paper (30-07-2021 Shift 3)
What is the full form of the acronym 'SWIFT', in financial institution?

Social World interconnection in Financial Tech process
Social Wide in Financial Transaction
Society for Worldwide Interbank Financial Telecommunication
Society website in Financial Terms

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MGVCL Exam Paper (30-07-2021 Shift 3)
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

Voltage distortion
Harmonics
Flicker
Voltage sag

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MGVCL Exam Paper (30-07-2021 Shift 3)
In two-part tariff, the ____ charges depend upon the maximum demand of the consumer and the ____ charges depend upon the number of units consumed by the consumer.

running, fixed
semi-fixed, running
fixed, running
fixed, semi-fixed

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