Engineering, 17.04.2020 04:11 sw2098
10 tons of municipal solid waste (MSW) is burned directly in a boiler to generate saturated steam at 200°C. Water enters the boiler at 20°C. The heating value of MSW is 18,000 kJ/kg and the boiler efficiency is 75 percent. Determine the amount of steam generated. The generated steam is run through a turbine-generator unit to generate electricity. The steam pressure at the turbine exit is 100 kPa. If the turbine isentropic efficiency is 85 percent and the generator efficiency is 95 percent, determine the amount of electricity produced. How much revenue can be generated if the electricity is sold at a price of $0.11/kWh
Answers: 3
Engineering, 04.07.2019 18:20
For each of the following process: a) sketch the p-v diagram, b)sketch t-s diagram, c) sketch t-v diagram, d) sketch the boundary work on one of the diagrams (a, b or c) and e) sketch the reversible heat transfer on one of the diagrams (a, b or c): 1- isobaric process from compressed liquid to superheated vapor 2- isothermal process from compressed liquid to superheated vapor 3- isentropic process from compressed liquid to superheated vapor
Answers: 3
Engineering, 04.07.2019 19:10
Agas is compressed from vi 0.3 m, p 1 bar to of v2 0.1 m3, p2--3 bar. pressure and volume are related linearly during the process. for the gas, find the work, in kj.
Answers: 2
Engineering, 04.07.2019 19:20
The quality is zero at a)-the saturated vapour state b)-the saturated liquid state c)-the saturated liquid-vapour mixture state d)-none of the states in the other answers
Answers: 3
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