ACCOUNTING AND FINANCIAL ENGINEERING - EXAMPLE 34.32 : In the calculation of the total cost of production of an engineering material, a linear equation Y = MX + C could be applied. Let T = total cost, F = fixed cost, V = variable cost, Q = quantity produced, W = variable cost per unit produced. Form a linear equation that relates : (a) T, F and V; (b) V, Q and W.

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What is the principles of crayogenic expansion turbin

1 Answers   Goyal Group,

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What is the working of vaccum distilation coloumn in a petroleum refinary?

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hello everyone do anyone have interview questions for any chemical industry please email me at

0 Answers   ONGC,

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what is the difference between distillation column and distillation tower?

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What are some typical applications for glass-lined reactors?

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what is the purpose of capacitor? and capacitor load means what? how does it connect?

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What is the purpose of capacitor?

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What is the symbol of sodium?

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i need some of the previous year question paper for ongc technical test and if possible let me know about the books to read for test

2 Answers   Brac Bank, ONGC,

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PROCESS DESIGN - EXAMPLE 21.1 : According to rules of thumb in chemical process design, consider the use of an expander for reducing the pressure of a gas when more than 20 horsepowers can be recovered. The theoretical adiabatic horsepower (THp) for expanding a gas could be estimated from the equation : THp = Q [ Ti / (8130a) ] [ 1 - (Po / Pi) ^ a ] where 3 ^ 3 is 3 power 3 or 27, Q is volumetric flowrate in standard cubic feet per minute, Ti is inlet temperature in degree Rankine, a = (k - 1) / k where k = Cp / Cv, Po and Pi are reference and systemic pressures respectively. (a) Assume Cp / Cv = 1.4, Po = 14.7 psia, (temperature in degree Rankine) = [ (temperature in degree Celsius) + 273.15 ] (9 / 5), nitrogen gas at Pi = 90 psia and 25 degree Celsius flowing at Q = 230 standard cubic feet per minute is to be vented to the atmosphere. According to rules of thumb, should an expander or a valve be used? (b) Find the outlet temperature To by using the equation To = Ti (Po / Pi) ^ a.

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Can asphalt be recycled to form a useful product?

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