Engineering, 24.07.2021 01:00, cameronchilders
Lƣợng hơi nƣớc 100kg/s ở áp suất đầu p1=20 bar, nhiệt độ đầu t1=400oC giãn nở đoạn nhiệt trong tua bin đến độ khô x2=0, 95. Xác định áp suất cuối, thể tích cuối và công kỹ thuật của quá trình?.
Answers: 2
Engineering, 03.07.2019 15:10, breannaasmith1122
Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.
Answers: 1
Engineering, 04.07.2019 19:10, juneham
Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.
Answers: 2
Engineering, 04.07.2019 19:10, shunna33
Plan an experiment to measure the surface tension of a liquid similar to water. if necessary, review the ncfmf video surface tension for ideas. which method would be most suitable for use in an undergraduate laboratory? what experimental precision could be expected?
Answers: 2
Engineering, 04.07.2019 19:10, 592400014353
For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.
Answers: 2
Lƣợng hơi nƣớc 100kg/s ở áp suất đầu p1=20 bar, nhiệt độ đầu t1=400oC giãn nở đoạn nhiệt trong tua b...
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