Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in condenser high energy loss in boilers low alternator efficiency low steam turbine mechanical efficiency high energy loss in condenser high energy loss in boilers low alternator efficiency low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 5 pu 3 and 1 pu 1 and 3 pu 2 and 2 pu 2 and 5 pu 3 and 1 pu 1 and 3 pu 2 and 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by 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. change of enthalpy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage skin effect radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at Farakka. Bakreshwar. Durgapur. Katwa. Farakka. Bakreshwar. Durgapur. Katwa. ANSWER DOWNLOAD EXAMIANS APP