Switch Gear Overheating of relay contacts or contact born out is due to all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 1 A 2.5 A more than 5A 5 A 1 A 2.5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is None of these 750 A 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is 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 proportional to the current inversely proportional to the square of the current inversely proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is yellow in colour has pungent small is lighter than air Is nontoxic is yellow in colour has pungent small is lighter than air Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS