Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero None of these unity infinity zero None of these unity infinity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lag time clearing time lead time operation time lag time clearing time lead time operation time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 3.125 A 12.5 A 6.25 A 25 A 3.125 A 12.5 A 6.25 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. capacitors resistors None of these reactors capacitors resistors None of these reactors 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