Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity good selectivity and reliability economy and simplicity All of these high speed and selectivity good selectivity and reliability economy and simplicity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two phase motors only single phase motors only two single phase motors running in parallel three phase motors two phase motors only single phase motors only two single phase motors running in parallel three phase motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker oil circuit breaker all are correct vaccum circuit breaker air-blast circuit breaker oil circuit breaker all are correct vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The power loss is an important factor for the design of motor transmission line generator feeder motor transmission line generator feeder ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA 60 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
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