Power Systems The characteristic impedance of a transmission line is Inversely proportional to square root of its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
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 400 kV 350 kV 500 kV 600 kV 400 kV 350 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. Pelton. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Geothermal. Solar. Tidal. Wind. Geothermal. Solar. Tidal. Wind. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? long transmission line short transmission line any of the above medium transmission line long transmission line short transmission line any of the above medium transmission line ANSWER DOWNLOAD EXAMIANS APP
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