Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 10 100, 0.4 100, 10 4, 0.4 4, 10 100, 0.4 100, 10 4, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because costlier it is cheaper and lighter its tensile strength is more it is more conductive costlier it is cheaper and lighter its tensile strength is more it is more conductive ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 12 MW 5 MW 6 MW 10 MW 12 MW 5 MW 6 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Pulversing unit. Cooling tower. Condenser. Ash handling unit. Pulversing unit. Cooling tower. Condenser. Ash handling unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass of the fuel is the amount required to make the multiplication factor 0.5. more than 1. equal to factor. less than 1. 0.5. more than 1. equal to factor. less than 1. ANSWER DOWNLOAD EXAMIANS APP
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