Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker air break circuit breaker bulk oil circuit breaker sf 6 circuit breaker low oil circuit breaker air break circuit breaker bulk oil circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in None of these positive circuit only negative circuit only Both positive and negative circuit None of these positive circuit only negative circuit only Both positive and negative circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of current voltage wave power All of these current voltage wave power All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have low resistance high impedance low impedance high resistance low resistance high impedance low impedance high resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP