Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.1 pu 0.2 pu 0.5 pu 0.4 pu 0.1 pu 0.2 pu 0.5 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by 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. using large quantity of water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Thermal power plant. Gas turbine plant. Nuclear power plant. Hydro electric power plant. Thermal power plant. Gas turbine plant. Nuclear power plant. 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? 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is None of these more either 1 or 2 less None of these more either 1 or 2 less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 21.2 mH. 23.8 mH. 23.33 mH. 25.8 mH. 21.2 mH. 23.8 mH. 23.33 mH. 25.8 mH. ANSWER DOWNLOAD EXAMIANS APP
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