Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Generators Motors Transmission line Transformers Generators Motors Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is lighter than air has pungent small is nontoxic None of these is yellow in colour is lighter than air has pungent small is nontoxic None of these is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
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