Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 1 A more than 5A 2.5 A 5 A 1 A more than 5A 2.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of voltage wave All of these current power voltage wave All of these current power ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of MVA Mw volts amperes MVA Mw volts amperes ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these ANSWER DOWNLOAD EXAMIANS APP
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