Engineering, 13.11.2019 04:31 cavejr87
Asmoking lounge is to accommodate 13 heavy smokers. the minimum fresh air requirement for smoking lounges is specified to be 30 l/s per person (ashrae, standard 62, 1989). determine the minimum required flow rate of fresh air that needs to be supplied to the lounge and the diameter of the duct if the air velocity is not to exceed 8 m/s
Answers: 1
Engineering, 04.07.2019 18:20
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 19:10
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
Engineering, 06.07.2019 03:10
Consider two concentric spheres forming an enclosure with diameters of 12 cm and 18 cm the spheres are maintained at uniform temperatures ti-50°c and t2 = 250°c and have emissivities .45 and .8, respectively. determine the net rate of radiation heat transfer between the two spheres per unit surface area.
Answers: 1
Engineering, 06.07.2019 03:30
State the stress optic law in two dimension and obtain an expression for the same.
Answers: 2
Asmoking lounge is to accommodate 13 heavy smokers. the minimum fresh air requirement for smoking lo...
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