Switch Gear The making capacity of a circuit breaker is equal to None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts arc suppressing blow out coils high speed opening of contacts all of these wide separation of the opened contacts arc suppressing blow out coils high speed opening of contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed generally on both sides of a circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy porcelain aluminium alloy electrolytic copper copper tungsten alloy porcelain aluminium alloy electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against open circuits overload reverse current short circuits open circuits overload reverse current short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these has high speed of operation does not deteriorate with age is quite cheap All of these has high speed of operation does not deteriorate with age is quite cheap ANSWER DOWNLOAD EXAMIANS APP
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