Switch Gear Relay can be designed to respond to changes in temperature voltage and current All of these resistance, reactance and impedance temperature voltage and current All of these resistance, reactance and impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage supply voltage restriking voltage recovery voltage peak voltage supply voltage restriking voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A 300 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is vaccum circuit breaker air-blast circuit breaker oil circuit breaker all are correct vaccum circuit breaker air-blast circuit breaker oil circuit breaker all are correct ANSWER DOWNLOAD EXAMIANS APP