Engineering, 24.01.2020 07:31 Sumududesilva2000
Afurnace is fired with coal with the following analysis: 36.3% vcm, 49.6% fc, 10.7% ash, 3.4% moisture, 1.2 % n and 5.1% s. its calorific value is 29.5 mj/kg. analysis of the wetted refuse shows 12% c, 65% ash and 23% water. dry air is supplied at 27oc and 1 atm. the stack gases leave at 350oc, 745 mm hg with a partial orsat analysis of 8.71% co2, 1.74% co and 0.35% h2. calculate:
a) % excess air
b) complete orsat analysis
c) cubic meter stack gas/kg coal
Answers: 2
Another question on Engineering
Engineering, 04.07.2019 18:20
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
Answers: 2
Engineering, 04.07.2019 18:20
Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)
Answers: 3
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, 04.07.2019 19:20
Acircular pipe of 30mm outside diameter is placed in an airstream at 30 c and latm pressure. the air moves in cross flow over the pipe at 20 m/s, while the outer surface of the pipe is maintained at 110 c. what is the drag force exerted on the pipe per unit length? what is the rate of heat transfer from the pipe per unit length?
Answers: 1
You know the right answer?
Afurnace is fired with coal with the following analysis: 36.3% vcm, 49.6% fc, 10.7% ash, 3.4% moistu...
Questions
Mathematics, 11.02.2020 03:36
Mathematics, 11.02.2020 03:37
Spanish, 11.02.2020 03:37
Advanced Placement (AP), 11.02.2020 03:37
Social Studies, 11.02.2020 03:37
