Power Systems The characteristic impedance of a transmission on line is Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the voltage drop across the line corona loss surge impedance of the line copper loss voltage drop across the line corona loss surge impedance of the line copper loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? Draw - in - system / duct - pipe laying. None of these. Direct laying. Both A and B. Draw - in - system / duct - pipe laying. None of these. Direct laying. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the total installed power capacity (MW) in West Bengal as published by ministry of power in 2011? 6114.05. 15515.22. 10000.32. 8113.27. 6114.05. 15515.22. 10000.32. 8113.27. ANSWER DOWNLOAD EXAMIANS APP
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