MGVCL Exam Paper (30-07-2021 Shift 1)
The power factor angle of a purely inductive circuit is

45°
60°
30°
90°

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MGVCL Exam Paper (30-07-2021 Shift 1)
___ is the rms value of the total current comprising the AC and DC components of the current in the circuit breaker pole at the instant of contact separation.

Symmetrical breaking current
Making current
Asymmetrical breaking current
Symmetrical short circuit current

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MGVCL Exam Paper (30-07-2021 Shift 1)
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

delta-delta
star-star
star-delta
delta-star

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MGVCL Exam Paper (30-07-2021 Shift 1)
In underground cables, the electrostatic stress is ___ at contactor surface and ___ at the sheath.

zero, zero
minimum, maximum
minimum, maximum
zero, minimum

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