Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. in phase opposition with the arc current. lagging the arc current by 90°. leading the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. lagging the arc current by 90°. leading the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of alternator. transformer. none of these. bus bar. alternator. transformer. none of these. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in air blast circuit breaker. bulk oil breakers. all breakers. minimum oil breakers. air blast circuit breaker. bulk oil breakers. all breakers. minimum oil breakers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? failure of excitation All of these Inter phase faults over current failure of excitation All of these Inter phase faults over current ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 1010. 3.1 × 107. 3.1. 3.1 × 106. 3.1 × 1010. 3.1 × 107. 3.1. 3.1 × 106. ANSWER DOWNLOAD EXAMIANS APP
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