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 steam turbine mechanical efficiency. low alternative efficiency. high energy loss from turbine exhaust to condenser. high energy loss in boiler. low steam turbine mechanical efficiency. low alternative efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 2 A 1 + j 4 A 5 + j 7 A -2 - j 1 A 1 + j 2 A 1 + j 4 A 5 + j 7 A -2 - j 1 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no shunt admittance None of these both 1 and 2 mutual coupling shunt admittance None of these both 1 and 2 mutual coupling ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? All of these calculation time is less memory required is less only one equation is required All of these calculation time is less memory required is less only one equation is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? All of these flat frequency control flat tie line control parallel frequency All of these flat frequency control flat tie line control parallel frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear reactors usually employ fission. fusion. none of above. both of A and B. fission. fusion. none of above. both of A and B. ANSWER DOWNLOAD EXAMIANS APP