MGVCL Exam Paper (30-07-2021 Shift 2)
In a single phase energy meter, the shunt electromagnet is energized by a ____of ____

current coil, thick wire of few turns
current coil, thin wire of more turns
pressure coil, thin wire of more turns
pressure coil, thick wire of few turns

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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

limit the main CT secondary current
minimize the effect of saturation of the main CTs
match the standard ratio of CTs used on both sides of the transformer winding
increase the sensitivity of the relay

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