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, 0.4 100, 0.4 100, 10 4, 10 4, 0.4 100, 0.4 100, 10 4, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant Use of high pressure. Use of steam for heating of boiler feed water. All of these Reheat of steam an intermediate stages. Use of high pressure. Use of steam for heating of boiler feed water. All of these Reheat of steam an intermediate stages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is larger less zero any of the above larger less zero any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are rain fall pattern, shape and size of catchment area. the topography and nature of soil in the catchment area. amount of vegetation and weather condition in the catchment area. all of above. rain fall pattern, shape and size of catchment area. the topography and nature of soil in the catchment area. amount of vegetation and weather condition in the catchment area. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to mass curve. energy load curve. load curve. both B and C. mass curve. energy load curve. load curve. both B and C. ANSWER DOWNLOAD EXAMIANS APP
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