Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as operation time clearing time lag time lead time operation time clearing time lag time lead time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker 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 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A _______ is used to measure the stator % winding temperature of the generator. thermometer thermocouple resistance thermometer pyrometer thermometer thermocouple resistance thermometer pyrometer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two voltages two or more similar electrical quantities None of these two currents two voltages two or more similar electrical quantities None of these two currents ANSWER DOWNLOAD EXAMIANS APP