MGVCL Exam Paper (30-07-2021 Shift 3)
In transformer testing, Sweep Frequency Response Analysis (SFRA) testing is a tool to help locate ____

All of these
Winding damage
Short circuits
Core movement

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MGVCL Exam Paper (30-07-2021 Shift 3)
A delta-connected balanced three-phase load is supplied from a three phase, 400 V supply. The line current is 20 Aand the power taken by the load is 10 kW. Find the power consumed if the same load is connected in star.

16.33 W
30 W
21.77 W
3.33 W

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MGVCL Exam Paper (30-07-2021 Shift 3)
Match the following shown in table

A = (ii), B = (iii), C = (i)
A = (ii), B = (i), C = (iii)
A = (iii), B = (ii), C = (i)
A = (iii), B = (i), C = (ii)

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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

Flicker
Voltage distortion
Harmonics
Voltage sag

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