Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.56 -0.56 -0.92 0.92 0.56 -0.56 -0.92 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 1000 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plat work Carnot cycle. Bell - Coleman cycle. Otto cycle. Rankine cycle. Carnot cycle. Bell - Coleman cycle. Otto cycle. Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is zero infinity any of the above maximum zero infinity any of the above maximum ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is more than the sending end voltage equal to the sending end voltage less than the sending end voltage any of the above more than the sending end voltage equal to the sending end voltage less than the sending end voltage any of the above ANSWER DOWNLOAD EXAMIANS APP
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