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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement is TRUE?

In the cables, sheaths are used to provide enough strength.
In the cables, the location of fault is usually found out by comparing the capacitances of insulated conductors.
Underground cables are laid at sufficient depth to avoid being unearthed easily due to removal of soil.
The current carrying capacity of cables in DC is less than that in AC.

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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

it will stop absorbing light
it will dissipate energy in the panel and increase its temperature
its voltage will go on increasing till its breakdown
it will start reflecting the light

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MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss ____ and the magnetizing current (Im) ____

remains constant, decreases
increases, increases
increases, remains constant
decreases, increases

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