Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5 pu 3.535 pu 5.353 pu 7 pu 5 pu 3.535 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output from an hydroelectric plants depend on type of dam, type of catchment area and discharge. type of dam, head, system efficiency. type of turbine, type of dam and type of catchment area. discharge, system efficiency. type of dam, type of catchment area and discharge. type of dam, head, system efficiency. type of turbine, type of dam and type of catchment area. discharge, system efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the steam. heat the feed water. remove dissolved gases in water. remove dissolved. heat the steam. heat the feed water. remove dissolved gases in water. remove dissolved. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true R = O, G = O. None of above. R/L = G/C. R/L = C/G. R = O, G = O. None of above. R/L = G/C. R/L = C/G. ANSWER DOWNLOAD EXAMIANS APP
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. 3 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 50 to 100 10.8 to 11.2 1.6 to 1.8 1 to 10 50 to 100 10.8 to 11.2 1.6 to 1.8 1 to 10 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS