how interstage pressure of multistage compressor is calculated?

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How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.

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Why reflux is necessary in distillation column?

1 Answers   Deepak Fertilisers,

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Explain the different characteristics that can affect the flow of bulk solids and how?

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Hi, few days back i attended an interview. Currently my employment status is contract basis and interviewer didn't ask me abt mode of employment and he is thinking that am permanent employee in this organization and during the time of joining how I would avoid this problem.

1 Answers  

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what is a pschycometric chart and how to use it?

1 Answers  

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Explain the use of gear pumps in motor?

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At what temperature is glass fused to steel in the making of glass-lined equipment?

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cetane no. and sulphur required in diesel fuel for euro-IV

2 Answers   IOCL,

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plz send me hpcl and reliance entrance test papers on my id s,kumar_bk@yahoo.co.in

1 Answers   Reliance,

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ENGINEERING NUMERICAL METHODS - EXAMPLE 19.3 : There are 2 simultaneous equations : (A1) x + (B1) y = D1 and (A2) x + (B2) y = D2. (a) By using Excel program, find the values of x and y when A1 = 80, A2 = 150, B1 = 52, B2 = 100, D1 = 3.5 and D2 = 2.3. (b) Write the expression of Excel in the form of =MMULT(MINVERSE(W:X),Y:Z) in order to get the values of x and y. W, X, Y and Z may be A1, A2, B1, B2, D1 and D2.

1 Answers  

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BIOPROCESS ENGINEERING - EXAMPLE 14.2 : An aqueous solution with 2.5 g of a protein dissolved in 600 cubic centimeters of a solution at 20 degree Celsius was placed in a container that has a water-permeable membrane. Water permeated through the membrane until the h - level of the solution was 0.9 cm above the pure water. (a) Calculate the absolute temperature of the solution, T in Kelvin, where T (Kelvin) = T (degree Celsius) + 273.15. (b) Calculate the osmotic pressure, P of the solution by using the formula P = hrg where h is level of the solution, r is density of water with 1000 kg per cubic meter, g = 9.81 N / kg as gravitational acceleration. (c) Calculate the concentration of the protein solution, C in kg / cubic meter. (d) Calculate the molecular weight of the protein, (MW) = CRT / P where R = 8.314 Pa cubic meter / (mol K) as ideal gas constant.

1 Answers  

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