Switch Gear The main function of a fuse is to open the circuit None of these protect the appliance prevent excessive currents protect the line open the circuit None of these protect the appliance prevent excessive currents protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and any specific resistance Low melting point and low specific resistance low melting point and high specific resistance high melting point and low specific resistance low melting point and any specific resistance Low melting point and low specific resistance low melting point and high specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under None of these no load normal conditions full load None of these no load normal conditions full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum voltage minimum voltage zero current maximum current maximum voltage minimum voltage zero current maximum current ANSWER DOWNLOAD EXAMIANS APP
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