Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 600 kV 500 kV 400 kV 350 kV 600 kV 500 kV 400 kV 350 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are All of these most economical as a peak load supply plant operating time is minimum used as load frequency control All of these most economical as a peak load supply plant operating time is minimum used as load frequency control ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 2 5 4 8 2 5 4 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are Non flammable High dielectric strength All of these High thermal conductivity Non flammable High dielectric strength All of these High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always 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°. in phase with the arc current. in phase opposition with the arc current. lagging the arc current by 90°. 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 30.7 %. 40.85 %. 40 %. 30.26 %. 30.7 %. 40.85 %. 40 %. 30.26 %. ANSWER DOWNLOAD EXAMIANS APP
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