Switch Gear A differential relay measures the vector difference between two currents two voltages None of these two or more similar electrical quantities two currents two voltages None of these two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current limiting device None of these current controlling device circuit interrupting device current limiting device None of these current controlling device circuit interrupting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are None of these interception, conduction and dissipation interception, conduction, dissipation and reflection interception interception and conduction None of these interception, conduction and dissipation interception, conduction, dissipation and reflection interception interception and conduction ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage supply voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker all are correct oil circuit breaker vaccum circuit breaker air-blast circuit breaker all are correct oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP