Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
1) A 5mm thick sheet of palladium with a cross sectional area of 0.2m^2 is used as a steady-state diffusion membrane in order to purify H2.The H2 concentration on the high pressure side of the sheet (i.e., the impure H2) is 1.5kg/m3 and that at the low pressure side is 0.3kg/m3. The diffusion coefficient for H2 in palladium is 1x10^-8m2/s. Assume a linear concentration profile within the plate. Calculate the mass of H2 being purified per hour.
2) If a (carburizing) carbon-containing gas diffuses under the surface of a steel shaft, the concentration of carbon under the surface will increase with time as the process proceeds. The steel shaft initially has a carbon content of 0.2wt%. Calculate the time, in minutes, necessary to increase the carbon content to 0.4wt%, at a distance of ½mm below the surface. The temperature is 1700°F. The carbon content at the surface is 0.892wt%. The diffusion coefficient at 1700°F is 1.28×10^-11m2/s.
air at 30 celcius and 2 mpa flows at steady state in a horizontal pipeline with a velocity of 25ms . it passes through
an automobile tire with a volume of 0.5m3 is inflated to a gage pressure of 200 kpa. calculate the mass of air in the
As a game, slide a matchbook across a table, trying to make it stop at some predefined point on each attempt. Measure the distance from the starting point to the stopping point. Repeat this 10, 20, through 50 times. Plot the frequency distribution fr..
a heat pump has a coefficient of performance of 2 using a power input of 2 kw. its low temperature is to and the high
Write a matlab code to calculate and plot the second explosion limit (2k1=k9[m] for the H2- air mixture with Phi=0.5 within temperature range of 500-1000k compare the line with the explosion limit in the textbook and see if they qualitatively agree. ..
a chiller is providing 5 tons of cooling to an air handler by cooling water transfer between the two devices. the
Determine the largest allowable square cross section of a steel shaft of length 6 m if the maximum shearing stress is not to exceed 135 MPa
air is compressed under steady flow conditions see figure q3. the power input to the compressor is 3 kw. during the
in an automotive gas turbine the centrifugal compressor is driven at 40000 rpm by an axial turbine. the compressor
a universitys campus has 20000 computers with cathode-ray tube monitors that are powered-up even when the computer is
a 3 m x 3 m x 2.4 m room losses heat through the walls at a rate of 520 w. determine the final temperature of the room
an air compressor receives atmospheric air at t0 17degc 100 kpa and compresses it up to 1400 kpa. the compressor has
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd