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A single effect evaporator concentrates 1.1 kg s of NaOH solution from 8% to 30%.Feed solution is at 60 degrees C with a specific heat capacity of 4.2 kJ kg K.A 30% solution of NaOH has a b.p elevation of 30 degrees C.Heating steam at 1.4 bars and pressure in separator is 0.1 bara. Condensate is collected at rate of 1 kg s at its condensing temp. Overall heat transfer coefficient is 3000 W m2 K. Calculate the heating surface required in calandra in m2 and the economy of the evaporator.
in gas-shy-solid fluidization it is frequently common to have a wide size distribution of particles present in the
Fit the blood rheological data of Example Problem 4.12 to a Casson model and find the yield stress t0 for blood.
The following information for methyl chloride is available: Saturation temperature at 2 bar: - 7 °C.ΔHvap at 2 bar: 21.5 kJ/mol.CP of vapor: 38 J/mol K. Assume CH3 Cl vapor may be assumed to be ideal. Is this a good assumption?
No-load test: line-to-line voltage 400 V, input power 1770 W, input current 18.5 A, and friction and wind age loss 600 W
Calculate the oxygenated and deoxygenated hemoglobin levels given these parameters. Is this reasonable from a physiologic point of view? Explain.
Set out your design on a data sheet and make a rough sketch of the heat exchanger.The physical properties of ethanol can be readily found in the literature
The solid particles have average diameter 3 mm and piece density 730 kg/m3. Hot air at 150 ºC is blown up through the dryer belt at a volumetric flow rate of 7200 m3 /hr per m2 of belt area. Will the bed of solids on the belt fluidize?
What concentration of phosphorus (P) would you expect at the top of the boule (X=0)? If the boule is 1 m long and has a uniform cross section,at what position (or Xvalue)would you expect the concentration of phosphorus to be twice as large as it is..
Explain why the resting potential does not equal the Nernst potential of any of the ions
Carbon tetrachloride (1) and water (2) are essentially immiscible liquids. A stream contains 80% CCl4 by mole and the remaining is water.
Draw circuit diagrams and show polarity markings.
Calculate the quantity of DCE fed to the reactor to produce 5000 kg/h VC.
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