When should one be concerned with the tube wall temperature on the cooling waterside of a shell and tube exchanger?
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I would like to know how to size a partial combustion reactor processing methane and oxygen, as a function of the flowrate and of the pressure.
What is a cstr and what are its basic assumptions?
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What is the maximum recommended velocity for steam in a plant pipe network?
three advantages of immmobilized enzymes
What is microstir?
How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.
ACCOUNTING AND FINANCIAL ENGINEERING - EXAMPLE 34.13 (CORRECTION) : (i) In the Present Value Multiplication Rule, let PV = present value, Ra = interest rate for first discount, A = duration for first discount; Rc = interest rate for second discount, C = duration for second discount. Let PV = [ 1 / (1 + Ra) ^ A ] [ 1 / (1 + Rc) ^ C ] where ^ is the symbol of power : 3 ^ 2 = 3 x 3, 2 ^ 3 = 2 x 2 x 2. (a) For discounts involving 8 % / year for 3 years and 10 % / year for 9 years, find the value of PV. (b) If Re = interest rate for third discount, E = duration of third discount, form a mathematical equation of PV as a function of A, C, E, Ra, Rc, Re. Note : Discounts are available in the purchase of certain biochemical engineering instruments. (ii) Let R = nominal interest rate related to growth rate of money, r = real interest rate related to growth rate of purchase power. If I = inflation, where the unit of R, r and I is %, find the mathematical relationship of r as a function of R and I.
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Explain what are the criteria involved in choosing mass balances for components?
how can we calculate reflux ratio? what is difference between internal reflux and external reflux?