Switch Gear A circuit breaker must perform the duty of being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and high specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two currents two or more similar electrical quantities two voltages None of these two currents two or more similar electrical quantities two voltages None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage supply voltage peak voltage recovery voltage restriking voltage supply voltage peak voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line inductive reactance improve line voltage None of these compensate for line capacitive reactance compensate for line inductive reactance improve line voltage None of these compensate for line capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
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