Switch Gear To reduce short circuit fault currents......... are used. resistors capacitors reactors None of these resistors capacitors reactors None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator rewireable fuse oil circuit breaker air break circuit breaker isolator rewireable fuse oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap the spring tension the rate of flux built up All of these armature core air gap the spring tension the rate of flux built up All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it does not deteriorate with age has high speed of operation All of these is quite cheap does not deteriorate with age has high speed of operation All of these is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 35 kA 20 kA 60 kA 80 kA 35 kA 20 kA 60 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
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