Engineering
Engineering, 30.10.2019 05:31, jenifferplowman

Ahot-water stream at 80°c enters a mixing chamber with a mass flow rate of 0.56 kg/s where it is mixed with a stream of cold water at 20°c. if it is desired that the mixture leave the chamber at 42°c, determine the mass flow rate of the cold-water stream. assume all the streams are at a pressure of 250 kpa. the enthalpies are 335.02 kj/kg, 83.915 kj/kg, and 175.90 kj/kg. the saturation temperature at a pressure of 250 kpa is 127.41°c.

answer
Answers: 1

Other questions on the subject: Engineering

image
Engineering, 04.07.2019 18:10, lowkeyqueenk
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
image
Engineering, 04.07.2019 18:20, myahlit84
Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false
Answers: 3
image
Engineering, 04.07.2019 18:20, safiyabrowne7594
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
image
Engineering, 04.07.2019 19:10, jennymares
Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m
Answers: 1
Do you know the correct answer?
Ahot-water stream at 80°c enters a mixing chamber with a mass flow rate of 0.56 kg/s where it is mix...

Questions in other subjects:

Konu
English, 04.05.2020 23:14
Konu
Social Studies, 04.05.2020 23:14
Konu
Chemistry, 04.05.2020 23:14