Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only 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 200 A 300 A more than 1000 A 100 A 200 A 300 A more than 1000 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A more than 5A 1 A 2.5 A 5 A more than 5A 1 A 2.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through current transformer power transformer fuse None of these current transformer power transformer fuse None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in temperature resistance, reactance and impedance All of these voltage and current temperature resistance, reactance and impedance All of these voltage and current ANSWER DOWNLOAD EXAMIANS APP