Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage recovery voltage supply voltage restriking voltage peak voltage recovery voltage supply voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? inverse time trip None of these time-delay trip shunt trip inverse time trip None of these time-delay trip shunt trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these increases decreases remains same None of these increases decreases remains same ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage drop heavy current flow voltage rise no current flow voltage drop heavy current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 3.125 A 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
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