Switch Gear Overheating of relay contacts or contact born out is due to all of these foreign matter on the contact surface slow making and breaking of load circuit contacts too low contact pressure all of these foreign matter on the contact surface slow making and breaking of load circuit contacts too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf 6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Thermocouple Electronic and bimetallic None of these Both of the listed here Thermocouple Electronic and bimetallic None of these Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to prevent excessive currents protect the line protect the appliance open the circuit None of these prevent excessive currents protect the line protect the appliance open the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under sub-transient state of short circuit current after dc component has ceased steady state of short circuit current transient state of short circuit current sub-transient state of short circuit current after dc component has ceased steady state of short circuit current transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power All of these voltage wave current power All of these voltage wave current ANSWER DOWNLOAD EXAMIANS APP
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