Power Systems Skin effective is more in case of None of these power lines same in both cases communication lines None of these power lines same in both cases communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.5 pu, Zm =0.6 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 9 MW 5 MW 18 MW 10 MW 9 MW 5 MW 18 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are pin type insulator suspension type any of the above strain type pin type insulator suspension type any of the above strain type ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 75 / 0.736 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 210 Ω 420 Ω 400 Ω 840 Ω 210 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
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