In a steam turbine power plant, the boiler feedwater temperature is marked as 30 deg C, ocean as sink with temperature 20 deg C and desired thermal efficiency of the plant is 0.46. Find the temperature of steam entering the turbine?
A. 500degC
B. 505.55degC
C. 507.62degC
D. 509.18degC
Answer:A
In a steam turbine power plant, the boiler feedwater temperature is marked as 30 deg C, ocean as sink with temperature 20 deg C and desired thermal efficiency of the plant is 0.46. Find the temperature of steam entering the turbine?
A. 500degC B. 505.55degC C. 507.62degC D. 509.18degC
Explanation: Mean temperature of heat addition= ( Temperature of feedwater + Temperature of steam entering turbine)/2