MGVCL Exam Paper (30-07-2021 Shift 3)
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

greater than 100 A
less than 10 A
between 50 A and 100 A
between 10 A and 50 A

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MGVCL Exam Paper (30-07-2021 Shift 3)
The purpose of ____ is to check the ability of the circuit breaker to withstand the overvoltages at power frequency as well as undesired value of voltage during lightning and other discharge phenomenon.

routine test
dielectric test
short circuit test
synthetic test

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