Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 100 micro-second 0.1 sec 50 milli-second 0.5 sec 100 micro-second 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas Is nontoxic is lighter than air has pungent small is yellow in colour Is nontoxic is lighter than air has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 11 kV 33 kV 132 kV 66 kV 11 kV 33 kV 132 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS