Switch Gear The fuse wire, in DC circuit, is inserted in Both positive and negative circuit negative circuit only positive circuit only None of these Both positive and negative circuit negative circuit only positive circuit only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 100 micro-second 0.1 sec 50 milli-second 0.5 sec 100 micro-second 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is nontoxic has pungent small is lighter than air is yellow in colour None of these is nontoxic has pungent small is lighter than air is yellow in colour None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by rewirable fuse H.R.'only relay All of these rewirable fuse H.R.'only relay All of these ANSWER DOWNLOAD EXAMIANS APP