Switch Gear Circuit breakers usually operate under after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for short duty repeated duty over currents intermittent duty short duty repeated duty over currents intermittent duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon 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 armature core air gap the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 1 A 5 A 2.5 A more than 5A 1 A 5 A 2.5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these ANSWER DOWNLOAD EXAMIANS APP