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Consider the electromagnetic plunger shown in Figure P12.4.1. The λ-i relationship for the normal working range is experimentally found to be λ = K i2/3/(x +t), where K is a constant. Determine the electromagnetic force on the plunger by the application of Equations (12.4.19) and (12.4.20). Interpret the significance of the sign that you obtain in the force expression.
using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the
A solution that contains nitromethane in acetonitrile is heated at constant pressure of 1 bar until the first bubble appears. If the temperature at this point is 85 °C, what is the composition of the original solution?
A condenser is required to condense n-propanol vapour leaving the top of adistillation column. The n-propanol is essentially pure, and is a saturated vapourat a pressure of 2.1 bara.
HEAT TRANSFER PROBLEM NO 2O- The hot fluid flows through a well mixed stirred tank which is provided with a cooling jacket . the fluid in cooling jacket can also be assumed to be well mixed . what is the heat transfer area of the jacket required?
Adsorption and Membrane Processes
Wet air containing 4.0mole% water vapor is passed through a column of calcium chloride pellets. The pellets adsorb 97.0% of the water and none of the other constituents of the air. The column packing was initially dry and had a mass of 3.40kg, fol..
An assembly line with 17 tasks is to be balanced. The longest task is 2.3 minutes, and the total time for all tasks is 18 minutes. The line will operate for 460 minutes per day.
production of chemicals from coalcoal has been considered a major component of u.s. energy reserves for a long time and
A shell and tube heat exchanger is to be used in a corrosive service. If carbon steel tubes are used, the cost of the exchanger is estimated to be $160,000, and it is expected that the exchanger will need to be replaced after two years.
Discuss the sustainability issues for the various filtration options available to the brewer. Based on your discussion, indicate the possibilities to make the filtration operation more sustainable.
A carbon steel heat exchanger that costs $140,000 is expected to have a service life of five years before it requires replacement. If type 304 stainless steel is used then the service life will be increased to ten years. Which exchanger is the mos..
Propane is separated from propylene by distillation. The compounds have close boiling points and the relative volatility will be low.
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