Switch Gear Overheating of relay contacts or contact born out is due to 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 foreign matter on the contact surface slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc an inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage arc voltage recovery voltage operating voltage surge voltage arc voltage recovery voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching an electrical circuit 111 switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit switching an electrical circuit 111 switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit ANSWER DOWNLOAD EXAMIANS APP
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