Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 66.66% 33.33% 75% 25% 66.66% 33.33% 75% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where do compounding done in thermal power plants Ash handling plant. Coal handling plant. Turbine. Generator. Ash handling plant. Coal handling plant. Turbine. Generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Y bus method Z bus method either 1 or 2 None of these Y bus method Z bus method either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (2 + j4 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to reduce loss of heat. increase thermal efficiency. utilize heat of flue gases. improve condenser performance. reduce loss of heat. increase thermal efficiency. utilize heat of flue gases. improve condenser performance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP