MGVCL Exam Paper (30-07-2021 Shift 2)
The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is

E = Vx(d)²
E = V/(d)²
E = V x d
E = V/d

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 50 Hz synchronous generator is connected to an infinite bus through a line. The p.u. reactances of generator and the line are j0.3 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.

1.42 Hz
1.52 Hz
1.32 Hz
1.62 Hz

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MGVCL Exam Paper (30-07-2021 Shift 2)
શિક્ષકે વિદ્યાર્થીને વાર્તા કહી'
1. વાક્ય અક્મર્ક છે.
2. વાક્ય દ્રીકર્મક છે.
3. વાક્યમાં વિદ્યાર્થીને 'પ્રધાન કર્મ' છે અને વાર્તા 'ગૌણ કર્મ' છે.
4.વાક્યમાં વાર્તાને 'પ્રધાન કર્મ' છે અને વિધાથીને 'ગૌણ કર્મ' છે

1,3
1,3
2,3
2,4

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MGVCL Exam Paper (30-07-2021 Shift 2)
In transformer, a Sweep Frequency Response Analysis (SFRA) test will help detect ____

Aging by-products
Moisture in the windings
Movement / damage to internal components
Age of the insulation

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