In a steam power plant operating in a Rankine cycle, the steam entering the turbine is at 10,000 kPa and 450°C and leaving the turbine at 20 kPa. The condenser converts all the steam to saturated liquid. a. What is its thermal efficiency? b. For a practical cycle, what is the efficiency of the power plant if the efficiencies of pump and turbine are 0.8 and 0.70, respectively? The volume at the pump is 1000 cm³/kg. c. Determine the steam rate and heat-transfer rate if the rating of the practical power plant is 90,000 kW. m rate (in *), qu rate (in kW) and qe rate (in kW)

In a steam power plant operating in a Rankine cycle, the steam entering the turbine is at 10,000 kPa and 450°C and leaving the turbine at 20 kPa. The condenser converts all the steam to saturated liquid. a. What is its thermal efficiency? b. For a practical cycle, what is the efficiency of the power plant if the efficiencies of pump and turbine are 0.8 and 0.70, respectively? The volume at the pump is 1000 cm³/kg. c. Determine the steam rate and heat-transfer rate if the rating of the practical power plant is 90,000 kW. m rate (in *), qu rate (in kW) and qe rate (in kW)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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