Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss from turbine exhaust to condenser. high energy loss in boiler. low alternative efficiency. low steam turbine mechanical efficiency. high energy loss from turbine exhaust to condenser. high energy loss in boiler. low alternative efficiency. low steam turbine mechanical efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? RMS maximum average any of the above RMS maximum average any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of a breeder reactor is equal to unity. more than unity. none of above. less than unity. equal to unity. more than unity. none of above. less than unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as earth wire. stray wire. structural components. All of these earth wire. stray wire. structural components. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 7.936 pu 10.936 pu 9.936 pu 8.936 pu 7.936 pu 10.936 pu 9.936 pu 8.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect All of these unsymmetrical fault skin effect corona effect All of these unsymmetrical fault skin effect ANSWER DOWNLOAD EXAMIANS APP