Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kJ / S. HP. W. kWh. kJ / S. HP. W. kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.8 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead 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? 3000 Ω 1500 Ω 500 Ω 2000 Ω 3000 Ω 1500 Ω 500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? large requirement of computer memory None of these large number of iterations both 1 and 2 large requirement of computer memory None of these large number of iterations both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? nether 1 nor 2 both 1 and 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix nether 1 nor 2 both 1 and 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 90° 42° 36° 45° 90° 42° 36° ANSWER DOWNLOAD EXAMIANS APP
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