Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.22 5 2000 0.4 0.22 5 2000 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Directly proportional to its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Both A and C. Breaking speed. Critical length of breaking. None of these. Both A and C. Breaking speed. Critical length of breaking. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 21 13 20 10 21 13 20 ANSWER DOWNLOAD EXAMIANS APP