Engineering, 20.08.2019 18:20 yzafer3971
Asimple vapor-compression refrigeration system operates with r-22 as the working fluid between the pressures of 2 bar and 20 bar. the refrigerant leaves the evaporator at 0°c, it exits the condenser with a quality of 20% and the compressor efficiency is 61%. the cooling load is 259 kw. a. plot all five points on the puh diagram provided. b. determine the temperature exiting the compressor. determine the power input to the compressor, in kw d. determine the rate of heat rejection from the condenser, in kw. e. determine the cop of the system.
Answers: 1
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
Answers: 3
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Engineering, 04.07.2019 19:10
In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?
Answers: 3
Asimple vapor-compression refrigeration system operates with r-22 as the working fluid between the p...
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