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Crude dichlorobenzene is pumped from a storage tank to a distillation column.
The tank is blanketed with nitrogen and the pressure above the liquid surface is held constant at 0.1 bar gauge pressure. The minimum depth of liquid in the tank is 1 m.
The distillation column operates at a pressure of 500 mmHg (500 mm of mercury, absolute). The feed point to the column is 12 m above the base of the tank. The tank and column are connected by a 50 mm internal diameter commercial steel pipe, 200 m long. The pipe run from the tank to the column contains the following valves and fittings: 20 standard radius 90° elbows, two gate valves to isolate the pump (operated fully open), an orifice plate, and a flow-control valve.
If the maximum flow rate required is 20,000 kg/h, calculate the pump motor rating (power) needed. Take the pump efficiency as 70% and allow for a pressure drop of 0.5 bar across the control valve and a loss of 10 velocity heads across the orifice.
Density of dichlorobenzene 1300 kg/m3, viscosity 1.4 cp.
Solve Example Problem 4.5 for forearm orientations angled u from the horizontal position. Let u vary from 0708 (down) from the horizontal in 158 increments. Using MATLAB, plot the required biceps muscle force FB for static equilibrium as a functio..
1name the five classes of fire and give an example of each. describe how an extinguishing agent controls each class of
A 10-kVA transformer is known to have an iron loss of 150 W and a full-load copper loss of 250 W. If the transformer has the following load cycle, compute its all-day efficiency:
Tris (pentafluorophenyl) borane, commonly known by its acronym BARF, is frequently used to initiate polymerization of ethylene or propylene in the presence of a catalytic transition metal compound.
For the MgO-Al2O3 system, what is the maximum temperature that is possible without the formation of a liquid phase? At what composition or over what range of compositions will this maximum temperature be achieved?
A preliminary (Class 4) estimate of the ISBL capital cost of building a 200,000 ton per year ethanol plant by corn dry milling has been stated as $130 MM -30%/+50%.
The helicopter can produce a maximum downward air speed ( v = 24 m/s ) in a slipstream of a diameter ( D = 9 m). Knowing that the weight of the helicopter and the crew is ( 15 kN ) and assuming air density rho = 1.21 kg/m^3 ), determine the maximu..
Find an expression for the rate of appearance of glycerol, Ra, in the dog.
Suppose 500 mg of dye was introduced into the plasma compartment. After reaching steady state, the concentration in the blood is 0:0893 mg cm3. Find the volume of the plasma compartment.
The labor force is 100 million and the unemployment rate is 5 percent. One million people quit looking for a job. What is it called when an individual leaves the labor force, and in this case what is the new unemployment rate?
The following two reactions take place in a gas phase reactor at 3000 K and 1 atmosphere pressure: 2CO2(g) 2CO(g) + O2(g) Keq.1071 O2(g) + N2(g) 2NO(g) Keq.01493
If wye-connected capacitors are placed in parallel with the two loads in order to improve the supply power factor, determine the value of capacitance in farads in each phase needed to bring the overall power factor to unity.
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