Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always leading the arc current by 90° In phase with the arc current lagging the arc current by 90° None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of volts Mw amperes MVA volts Mw amperes MVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.05 sec 0.2 sec 0.001 sec 0.002 sec 0.05 sec 0.2 sec 0.001 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under None of these full load normal conditions no load None of these full load normal conditions no load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability ANSWER DOWNLOAD EXAMIANS APP
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