Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss in boiler. low steam turbine mechanical efficiency. high energy loss from turbine exhaust to condenser. low alternative efficiency. high energy loss in boiler. low steam turbine mechanical efficiency. high energy loss from turbine exhaust to condenser. low alternative efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by turbine. condenser. superheater. feed water pump. turbine. condenser. superheater. feed water pump. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under half load no load any of the above full load half load no load any of the above full load ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under excited Synchronous phase modifier works as series capacitor shunt reactor any of the above shunt capacitor series capacitor shunt reactor any of the above shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. ground star / delta. star / grounded star. delta / star. delta / delta. ground star / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
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