1. In a turbine, steam enters with an enthalpy of 1275 Btu/lbm and leaves with an enthalpy of 1115 Btu/lbm. The transferred heat is 13 Btu/lbm. Find the turbine work in hp where the steam flow rate is 5 lbm/sec?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. In a turbine, steam enters with an enthalpy of 1275 Btu/lbm and leaves with an enthalpy of 1115 Btu/lbm. The transferred heat is 13 Btu/lbm. Find the turbine work in hp where the steam flow rate is 5 lbm/sec?

2. During a steady flow process, the pressure of the working substance drops from 200 to 20 psig, the speed increases from 100 to 800 fps, The internal energy of the open system increases by 15 Btu/lbm, and the specific volume increases from 1 to 10 ft3/lb. The heat lost of the open system is equivalent to 1 kW. Determine the work in hp for a mass flow rate of 12 lbm per min.

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