Switch Gear The arc voltage produced in AC circuit breaker is always In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise voltage drop heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line None of these infinity zero unity None of these infinity zero unity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Reactance Impedance Induction type None of these Reactance Impedance Induction type None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil SFe air break bulk oil minimum oil SFe air break bulk oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 5 A 10 A 30 A 20 A 5 A 10 A 30 A 20 A ANSWER DOWNLOAD EXAMIANS APP