Switch Gear The single phasing relays are used for the protection of two phase motors only single phase motors only three phase motors two single phase motors running in parallel two phase motors only single phase motors only three phase motors two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500 A 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on both inductance and capacitance of the system the type of circuit breaker the inductance of the system only the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only the capacitance of the system only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of steel brass silver iron steel brass silver iron ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise no current flow voltage drop heavy current flow voltage rise no current flow voltage drop heavy current flow ANSWER DOWNLOAD EXAMIANS APP