Power Systems Which of the following relationships are not valid for short transmission lines A = D = 1 B = C = Z Is = Ir All of these A = D = 1 B = C = Z Is = Ir All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by using large quantity of water. decreasing the load on the plant. using high temperature and high pressure steam. burning large amount of coal. using large quantity of water. decreasing the load on the plant. using high temperature and high pressure steam. burning large amount of coal. 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 Cooling tower. Ash handling unit. Condenser. Pulversing unit. Cooling tower. Ash handling unit. Condenser. Pulversing unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 5 + j 7 A 1 + j 4 A 1 + j 2 A -2 - j 1 A 5 + j 7 A 1 + j 4 A 1 + j 2 A -2 - j 1 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current remains unaffected decreases increases None of these remains unaffected decreases increases None of these ANSWER DOWNLOAD EXAMIANS APP
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