III B.Tech II Semester Examinations,December-January, 2011-2012 CHEMICAL TECHNOLOGY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Describe the extraction of Soybean oil.
[16]
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2. Explain the function of surfactants, builders and additives in manufacture of detergent. [16] 3. (a) What is cryogenics? Discuss its role in chemical technology
(b) Explain how oxygen and nitrogen are produced using Claude’s liquefaction process. [8+8]
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4. What is paper stock? Write a note on it?
[16]
5. (a) Describe the classification of rubbers. (b) Describe the manufacture of SBR.
[6+10]
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6. Give the electrolysis reactions that occur in mercury and diaphragm cells in the production of chlorine-caustic soda and discuss the major engineering problems. [16] 7. (a) Explain the production of cement by cement rock beneficiation process with a flow diagram. (b) Discuss the major engineering problems involved in the manufacture of Portland cement. [10+6]
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8. Explain the production of sulphur by oxidation-reduction of hydrogen sulphide. [16]
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Code No: 07A60801
R07
Set No. 4
1. (a) What is glycerin? What are the uses of glycerin?
[8+8]
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(b) Discuss the biodegradability of detergents.
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III B.Tech II Semester Examinations,December-January, 2011-2012 CHEMICAL TECHNOLOGY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
2. (a) Write short notes on: i. Aluminum sulphate ii. Alum.
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(b) Write all the chemical reactions occurring in the manufacturing of sulphur. [8+8] 3. How caustic soda is manufactured using Mercury cell. Explain it with a schematic Diagram. [16]
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4. Explain the steam hydrogen reforming process for the production of hydrogen? [16] 5. Define Portland cement and discuss about types of Portland cement.
[16]
6. (a) What is a paper? List out different types of paper products. (b) Discuss the environmental issues associated with paper industry.
[6+10]
7. Describe the production oils via mechanical and solvent extraction methods. [16]
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8. Describe the production of phenol from toluene oxidation process.
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[16]
Code No: 07A60801
R07
Set No. 1
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III B.Tech II Semester Examinations,December-January, 2011-2012 CHEMICAL TECHNOLOGY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
2. (a) Discuss about purification of hydrogen.
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1. Describe the solvent extraction method of producing oils with a neat flow sheet. [16]
(b) Draw a neat sketch of Linde double column and name its components. [8+8]
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3. Discuss the advantages & disadvantages among mercury process, diaphragm process, membrane process available for the production of chlorine-caustic soda using their schematic representations. [16] 4. Describe the Sulfate pulp process with block diagram. 5. (a) What is plasticized PVC?
[16]
(b) Explain various polymerization techniques to produce vinyl polymers. [6+10] [16]
7. List out different methods of soap production & explain any method.
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6. Explain the manufacture of lime and discuss its applications.
8. (a) State the applications of sulphuric acid. (b) Explain the production of hydrochloric acid by any process.
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[8+8]
Code No: 07A60801
R07
Set No. 3
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III B.Tech II Semester Examinations,December-January, 2011-2012 CHEMICAL TECHNOLOGY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Write a brief note on chlor-alkali industry.
[8+8]
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(b) List out different methods of production to manufacture soda ash. 2. (a) Explain the recovery of carbon dioxide from ethanol fermentation. (b) State the uses of hydrogen.
[12+4]
3. Describe the production of any magnesium compound with a neat flow diagram. [16]
5. Discuss the following.
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4. Discuss the comparision of chemical pulping processes for cellulose fibres?
[16]
(a) Describe the hydrogenation of oils.
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(b) Describe the solvent extraction of oils.
[8+8]
6. Discuss the manufacture of vinyl chloride through acetylene-HCl reaction? [16]
7. Write the following in manufacture of detergent (a) Linear alkyl benzene sulfonation. (b) Fatty alcohol sulfation.
[8+8]
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8. What are the different types catalysts used in the manufacture of sulphuric acid by contact process & also discuss the major engineering problems involved in it. [16]
Explain the steam hydrogen reforming process for the production of hydrogen? [16] · 5. Define Portland cement and discuss about types of Portland cement. [16] · 6. (a) What is a paper? List out different types of paper products. (b) Discuss the environmental issues associated with paper industry. [6+10] · 7. Describe the ...
(a) What is Radix-64 format? Explain how both PGP and S/MIME perform the · Radix-64 conversion is performed. (b) Describe the five principal services that ...
Farm in Maharashtra, supplied with water from a dug well pumping for 4 h a day, are given below. Determine the required discharge. [16]. 7. AjntuWorld.in ...
... carry equal marks · ***** · 1. List eight major functions of an exhaust nozzle. .... plane. Show the internal layout for swallowed air to reach the engine. Explain.
Enumerate difference between growth and non-growth associated product kinetics. [16] · 7. Write a brief note on biosensors, and describe how they are used for ...
(b) A turbine is to operate under a head of 30 m at 300 r.p.m. The discharge is ... 2. (b) An inward flow reaction turbine has an external diameter of 1 m and its.
(a) Discuss the response of high pass RC circuit for square wave input. (b) A 10Hz square wave is fed to an amplifier. Calculate and sketch the output wave ...
[16] · 8. With a neat sketch discuss the working procedure of neutron radiography, and also · give applications, advantages and limitations of this method. [16] · *****. 1 ... 5. (a) Give the limitations of x-ray diffraction method and ultrasonic met
tetrachloride during indirect chlorinate of TiO2 at 1020 0C · [16] · TiO2(g) + 2Cl2(g) = TiCl4(g) + O2. 8. (a) How do the interstitial elements affect mechanical properties of commercially · pure titanium? (b) Why is 0.2 % Pd added to titanium? What
register machine.(Hint: Use FNS). [8+8] · 5. (a) Explain the strassen's matrix multiplication · (b) Derive the time complexity for binary search. [8+8] · 6. (a) Find an ...
Variance · (b) The mean and variance of a binomial distribution are 2 and 8 / 5. Find ... marks were normally distributed with mean 70 and standard deviation 15.
Computer Science And Engineering · Time: 3 hours · Max Marks: 80 · Answer any FIVE Questions · All Questions carry equal marks · ***** · 1. (a) Distinguish between a packet-filtering router and a stateful inspection firewall? (b) âOne way to secure
1. With the help of a neat diagram indicating the various geometric elements of a · traffic rotary ... sight distance. What is the need to have SSD and factors.
2. Explain the alpha, delta, theta and beta waves emerging from the brain. [16] · 3. (a) Explain in detail on the isolation amplifiers used in medical field and its need ... Discuss the generation and propagation of action potential in a cell. [16] ·
(a) Steam pressure in a reactor heating coil. (b) Flow rate of reactants into a polymerization tank. (c) Flow of effluent from a waste water treatment holding tank into a river. (d) Flow of cooling water to a distillation condenser. [16] · 6. (a) Def
(a) State Newton's law of viscosity and give any four examples of its applications. (b) An oil of viscosity 8 poise is used for lubrication between a shaft and sleeve.
(a) Off - peak load is zero ... load current and p.f 0.1. capacitors are supplied to make the line power factor ... (b) The annual peak load of substation is 3500kW.
Set No. 2. (a) Construct a systematic (15,2) code using the generator polynomial .... taken. The bit rate is 'rb' and the channel noise has a PSD Gn(f) given by.
Discuss the principle of measuring the hardness of Heat Affected Zone using Jominey · hardenability test? .... (b) What is post weld heat treatment? Describe the ...
(a) State Darcy's law. Discuss the assumptions and limitations. .... 1. (a) State Stoke's law and explain its limitations as applicable to the sedimentation · analysis.
[4+4+4+4] · 4. Add a new method in the base class of Shapes.java that prints a message, but don't .... (d) Dynamic binding and message passing. [4+4+4+4].
Discuss clustering and solubility of liquid mixture. [16] · 3. Define: ... no adsorption at the pore wall and for the case with monolayer adsorption at the · pore wall.
