Switch Gear Most of the relays on service on electric power system are electro-mechanical relays None of these thermal relays electronic relays electro-mechanical relays None of these thermal relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? inverse time trip None of these shunt trip time-delay trip inverse time trip None of these shunt trip time-delay trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against None of these overload short-circuit and overload open circuit, short-circuit and overload None of these overload short-circuit and overload open circuit, short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 0.8 sec 1 sec 1.5 sec 0.002 sec 0.8 sec 1 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 100 A more than 1000 A 300 A 200 A 100 A more than 1000 A 300 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Impedance None of these Induction type Reactance Impedance None of these Induction type Reactance ANSWER DOWNLOAD EXAMIANS APP
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