Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have All of these low melting point high conductivity low cost All of these low melting point high conductivity low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Induction type Reactance None of these Impedance Induction type Reactance None of these Impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 50 A 200 A 20 A 100 A 50 A 200 A 20 A 100 A ANSWER DOWNLOAD EXAMIANS APP
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