Switch Gear The rated secondary current of current transformer for relays is generally 30 A 5 A 10 A 20 A 30 A 5 A 10 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? transformer oil carbon tetrachloride distilled water sulphur hexafluoride transformer oil carbon tetrachloride distilled water sulphur hexafluoride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 0.8 sec 0.002 sec 1 sec 1.5 sec 0.8 sec 0.002 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS