Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. None of these Induction type Reactance Impedance None of these Induction type Reactance Impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high impedance low impedance low resistance high resistance high impedance low impedance low resistance high resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is two lines to ground fault line to line fault all three lines short-circuited line to ground fault two lines to ground fault line to line fault all three lines short-circuited line to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to prevent excessive currents protect the appliance open the circuit None of these protect the line prevent excessive currents protect the appliance open the circuit None of these protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow voltage drop no current flow ANSWER DOWNLOAD EXAMIANS APP
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