Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv None of these 33 kV to 66 kV 3.3 kV to 11 kv 11 kv to 33 kv None of these 33 kV to 66 kV 3.3 kV to 11 kv ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to the current inversely proportional to the square of the current inversely proportional to the current proportional to square of the current proportional to the current inversely proportional to the square of the current inversely proportional to the current proportional to square of the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of being closed on to a fault All of these opening the faulty circuit and breaking the fault current carrying fault current for a short time being closed on to a fault All of these opening the faulty circuit and breaking the fault current carrying fault current for a short time 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 The material used for fuse must have 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 low melting point and high specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS