Switch Gear SF6 gas is yellow in colour is lighter than air None of these has pungent small is nontoxic is yellow in colour is lighter than air None of these has pungent small is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? distilled water transformer oil carbon tetrachloride sulphur hexafluoride distilled water transformer oil carbon tetrachloride sulphur hexafluoride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current being closed on to a fault All of these carrying fault current for a short time opening the faulty circuit and breaking the fault current being closed on to a fault All of these carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and any specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance 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 rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 500 mega ohms 10 mega ohms 100 mega ohms 1 mega ohms 500 mega ohms 10 mega ohms 100 mega ohms 1 mega ohms ANSWER DOWNLOAD EXAMIANS APP