Power Systems Which of the following is a reaction turbines Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. Kaplan and Pelton turbine. None of these. Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. Kaplan and Pelton turbine. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser ANSWER DOWNLOAD EXAMIANS APP
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? 5 pu 5.353 pu 3.535 pu 7 pu 5 pu 5.353 pu 3.535 pu 7 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-delta delta-delta star-star delta-star star-delta delta-delta star-star delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is greater than 1 less than 1 0 1 greater than 1 less than 1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 3000 Ω 2000 Ω 500 Ω 1500 Ω 3000 Ω 2000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
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