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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
The magnitude of the generator earth-fault current is limited by

inserting suitable resistance in neutral grounding circuit
controlling field exciter
using higher rating CTs
inserting the stabilizing resistance in series with the relay

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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is:

25 kVAR
50 kVAR
75 kVAR
100 kVAR

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