MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

Turns ratio values
Whether the oil test indicates moisture
Condition of paper insulation (change in watts losses)
Movement of the windings (change in capacitance)

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MGVCL Exam Paper (30-07-2021 Shift 1)
While selecting the gas for a circuit breaker, the property of gas that should be considered is its
(i) dielectric strength
(ii) non-inflammability
(iii) non-toxicity

(i) and (iii) only
(i) only
(i) and (ii) only
(i), (ii) and (iii)

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