Switch Gear To reduce short circuit fault currents......... are used. reactors resistors None of these capacitors reactors resistors None of these capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases increases None of these remains same decreases increases None of these remains same ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage supply voltage 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 A _______ is used to measure the stator % winding temperature of the generator. thermometer thermocouple resistance thermometer pyrometer thermometer thermocouple resistance thermometer pyrometer ANSWER DOWNLOAD EXAMIANS APP
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