Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 60-70% 20-25% 30-40% 45-55% 60-70% 20-25% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by using large quantity of water. burning large amount of coal. using high temperature and high pressure steam. decreasing the load on the plant. using large quantity of water. burning large amount of coal. using high temperature and high pressure steam. decreasing the load on the plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U235 and Th239. U235, U233 and Pu239. None of these. U238 and Th232. U235 and Th239. U235, U233 and Pu239. None of these. U238 and Th232. ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR remains unaffected None of these decreases increases remains unaffected None of these decreases increases 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? (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
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