Switch Gear The operating time of a fuse is about 1.5 sec 1 sec 0.002 sec 0.8 sec 1.5 sec 1 sec 0.002 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air has pungent small Is nontoxic is yellow in colour is lighter than air has pungent small Is nontoxic is yellow in colour 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 The fuse wire, in DC circuit, is inserted in positive circuit only None of these Both positive and negative circuit negative circuit only positive circuit only None of these Both positive and negative circuit negative circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of mechanical vibration impulse voltage insulation failure loose connection mechanical vibration impulse voltage insulation failure loose connection ANSWER DOWNLOAD EXAMIANS APP