MGVCL Exam Paper (30-07-2021 Shift 1)
The operating time of an inverse definite minimum time (IDMT) overcurrent relay corresponding to plug-setting multiplier (PSM) = 1 and time-multiplier setting (TMS) = 1 will be

1 sec
3 sec
infinite
zero

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

low span and low sensitivity
low span and high sensitivity
high span and high sensitivity
high span and low sensitivity

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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
Symmetrical short circuit current
Making current
Asymmetrical breaking current

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