Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 100 A 300 A more than 1000 A 200 A 100 A 300 A more than 1000 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 5 A 30 A 20 A 10 A 5 A 30 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas has pungent small is lighter than air Is nontoxic is yellow in colour has pungent small is lighter than air Is nontoxic is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 6 2 8 4 6 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to ground fault line to line fault two lines to ground fault all three lines short-circuited line to ground fault line to line fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS