Engineering, 20.07.2019 01:40 nook4boo
One-half pound of water executes a carnot power cycle. during the isothermal expansion, the water is heated at 600°f from a saturated liquid to a saturated vapor. the vapor then expands adiabatically to a temperature of 90°f and a quality of 64.3%. (b) evaluate the heat and work for each process, in btu. (c) evaluate the thermal efficiency.
Answers: 2
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
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Engineering, 04.07.2019 18:10
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Engineering, 04.07.2019 18:20
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
One-half pound of water executes a carnot power cycle. during the isothermal expansion, the water is...
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