Switch Gear Circuit breakers usually operate under after dc component has ceased steady state of short circuit current sub-transient state of short circuit current transient state of short circuit current after dc component has ceased steady state of short circuit current sub-transient state of short circuit current transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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 all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay impedance relay None of these directional relay non-directional relay impedance relay None of these directional relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are None of these Both of the listed here Electronic and bimetallic Thermocouple None of these Both of the listed here Electronic and bimetallic Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it does not deteriorate with age All of these is quite cheap has high speed of operation does not deteriorate with age All of these is quite cheap has high speed of operation ANSWER DOWNLOAD EXAMIANS APP
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