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Old April 26th, 2014, 02:02 PM
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Default IFS Chemical Engineering (Paper I) past Papers

Any buddy, please provide me the IFS Chemical Engineering (Paper I) Exam Previous Years Question Papers……..
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  #2  
Old April 27th, 2014, 11:32 AM
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Default Re: IFS Chemical Engineering (Paper I) past Papers

As per your request here I am sharing the IFS Chemical Engineering (Paper I) Exam Previous Years Question Papers:

Answer the following, keeping your answers brief and to the point : 8x5=40
(a) Explain the principle of reverse osmosis. What .
are its limitations and applications ?
(b) Giving ixamples, distinguish between second
order "under damped" and "over damped"
systems.. -
(c) Name the different supports used for -process
vessels mentioning their advantages and
disadvantages.

(dl Explain with sketches the working principle, i5 L. installation and applications of thermocouples
for temperature measurement.
(el Explain the working of a PID control system.
Draw a 'pneumatic control circuit for this system
and explain the characteristics.
6. (a) Explain the principle of ultrafiltration and list
out its industrial applications. 10
(b) What are the C advantages and disadvantages of
ion exchange process over membrane processes ? 10





Complete question paper is in the attachment, please click on it……….
Attached Files Available for Download
File Type: pdf IFS Chemical Engineering (Paper I) Exam Previous Years Question Papers.pdf (95.1 KB, 34 views)
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  #3  
Old January 3rd, 2015, 03:16 PM
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Join Date: Nov 2011
Default Re: IFS Chemical Engineering (Paper I) past Papers

Here I am providing the list of few questions of IFS Chemical Engineering exam paper which you are looking for .

SECTION A

1. Answer any four of the following (10 × 4 = 40)
(a) (i) How is friction factor defined and what are the parameters on which it is dependent? (5)
(ii) What are the different types of conveyers available for bulk solid transportation? (5)
(b) Distinguish between ‘Adiabatic Saturation Temperature’ and ‘Wet Bulb temperature’. Explain why both these are same for air-water system. (10)
(c) Discuss caking of crystals and its prevention. (10)
(d) Distinguish between resistances in series and resistances in parallel through which heat is being conducted under steady-state condition. Explain using electrical analogy. (10)
(e) Differentiate among nucleate boiling, pool boiling and subcooled boiling. (10)

2. (a) How do you use stress-strain relationship to explain the rheological classification of fluids? Explain with examples. (10)
(b) Derive the continuity equation. State the assumptions. (10)

(c) (i) List the advantages and disadvantages of plate and frame filter press. (5)
(ii) State the two laws of crushing and write suitable mathematical relationships for the two laws. (5)

(d) (i) Explain the basis for the selection of mixing impellers. (5)
(ii) Briefly explain the mechanism of fluidization. (5)

3. (a) (i) Bring out clearly the concept of film transfer coefficient and overall transfer coefficient in mass transfer. (5)
(ii) Explain briefly the diffusivity of gases and liquids. (5)

(b) (i) Discuss the mass transfer resistances in a wetted column. (5)
(ii) Write briefly on Shank system of leaching. (5)

(c) With a neat drying rate curve, explain different zones of drying. (10)
(d) What a1e the limitations of McCa1e-Thiele method? How are these overcome in Ponchon- Savarit method? (10)

4. (a) (i) What is LMTD, and why and where is it used? (5)
(ii) Obtain the relationship between individual and overall heat transfer coefficients. (5)

(b) (i) State and explain the Stefan-Boltzmann law of radiation. (5)
(ii) Write a note on absorption of radiation by opaque solids. (5)

(c) (i) What is the influence of boiling point elevation on evaporator performance? (5)
(ii) Briefly describe a vapour compression evaporator. (5)

(d) Write the design procedure for a double pipe heat exchanger. (10)


SECTION B

5. Answer any four of the following (10 × 4 = 40)
(a) Explain the principle, of reverse osmosis. What are its limitations and applications? (10)
(b) List out the factors to be considered in the design of vessels. (10)
(c) Name the different supports used for process vessels mentioning their advantages and disadvantages. (10)
(d) Explain with sketches the working principles, installation and applications of thermocouples for temperature measurement. (10)
(e) Explain the working of a PID control system. Draw a pneumatic control circuit for this system and explain the characteristics. (10)

6. (a) Explain the principle of ultra filtration and list out its industrial applications. (10)
(b) Discuss the industrial applications of ion exchange process. (10)
(c) Explain any two methods for separating a binary liquid mixture stating the underlying principles. (10)
(d) Explain the working of an instrument based on electro dialysis. (10)

7. (a) Explain the design equations for calculating the thickness of cylindrical and spherical shells. How will you select a standard plate for fabricating a shell? (10)
(b) Write down the stepwise procedure for the design of an elliptical head. (10)
(c) Name the different stresses acting on a tall vessel which is to be installed in a seismic zone. (10)
(d) Mention any five industrially important alloys of Nickel and Copper. Give their approximate composition and application. (10)

8. (a) With a neat diagram, describe the radioactive vacuum gauge method for measuring pressrue in a process industry. (10)
(b) Sketch the following function and obtain the Laplace transform. (10)

(c) (i) Explain in practical terms, how one tunes a feedback controller for an existing process in a chemical plant. (5)
(ii) Define phase margin and gain margin, and show how you can compute them from Bode Plot. (5)

(d) Develop a transfer function between the pressure drop and the manometer reading h for a mercury manometer. List the assumptions made. (10)
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