Switch Gear Overheating of relay contacts or contact born out is due to 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 slow making and breaking of load circuit contacts foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A _______ is used to measure the stator % winding temperature of the generator. thermometer thermocouple resistance thermometer pyrometer thermometer thermocouple resistance thermometer pyrometer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as operation time lag time lead time clearing time operation time lag time lead time clearing time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors resistors None of these capacitors reactors resistors None of these capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in resistance, reactance and impedance All of these temperature voltage and current resistance, reactance and impedance All of these temperature voltage and current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts all of these arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these arc suppressing blow out coils high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
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