Switch Gear Overheating of relay contacts or contact born out is due to all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened manually opens automatically None of these is opened by remote control is opened manually opens automatically None of these is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to All of these extinguish the arc None of these lubricate the contacts insulate the contacts from switch body All of these extinguish the arc None of these lubricate the contacts insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is inversely proportional to the square of the current proportional to square of the current inversely proportional to the current proportional to the current inversely proportional to the square of the current proportional to square of the current inversely proportional to the current proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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