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 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Based on the discharge, Kaplan turbine will discharge 1000 lpm >10000 lpm 1000 lpm >10000 lpm ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 16. 6. 24. 12. 16. 6. 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Capacitance of the system. Type of CB. Inductance of the system. Inductance and capacitance of the system. Capacitance of the system. Type of CB. Inductance of the system. Inductance and capacitance of the system. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency 40.85 %. 30.7 %. 40 %. 30.26 %. 40.85 %. 30.7 %. 40 %. 30.26 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. coasting time. stopping time. settling time. damping time. coasting time. stopping time. settling time. ANSWER DOWNLOAD EXAMIANS APP