Engineering, 23.11.2020 05:20, mikey3882
Why does the compression-refrigeration cycle have a high-pressure side and a low-pressure side?
a. The pressure difference is the result of polar molecular alignment due to the intense magnetic field created by the compressor motor.
b. So the refrigerant can condense at a low pressure and temperature and evaporate at a high pressure and temperature
c. The pressure difference isn't intentionally created but is simply the result of circulating refrigerant within the compressor.
d. So the refrigerant can evaporate at a low pressure and temperature and condense at a high pressure and temperature
Answers: 3
Engineering, 04.07.2019 18:10, wyattlb97
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
Answers: 3
Engineering, 04.07.2019 18:20, moneywaydaedae
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
Engineering, 04.07.2019 18:20, rjone8429
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Why does the compression-refrigeration cycle have a high-pressure side and a low-pressure side?
a....
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