Switch Gear Overheating of relay contacts or contact born out is due to 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 all of these too low contact pressure foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against overload open circuits short circuits reverse current overload open circuits short circuits reverse current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception interception, conduction, dissipation and reflection None of these interception, conduction and dissipation interception and conduction interception interception, conduction, dissipation and reflection None of these interception, conduction and dissipation interception and conduction ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thin wire many turns of thick wire many turns of thin wire few turns of thick wire few turns of thin wire many turns of thick wire many turns of thin wire few turns of thick wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
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