Download SGBAU BSc 2019 Summer 5th Sem Industrial Chemistry Chemical Process Economics Heavy n Fine Chemicals Question Paper

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B.Sc. (Part—III) Semester—V Examination

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INDUSTRIAL CHEMISTRY (R/V)

(Chemical Process Economics, Heavy and Fine Chemicals)

Time : Three Hours] [Maximum Marks : 80

Note :— (1) Question No. 1 is compulsory and carries 8 marks.

(2) Remaining all SIX questions carry 12 marks each.

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(3) Give chemical equation and draw diagram wherever necessary.

(4) Use of calculator is allowed.

1. (A) Fill in the blanks :
   1. Maximum part of manufactured ammonia is consumed in ________ industry.
   2. ________ is molecular formula of hydrated lime.
   3. ________ is important by-product in soap industries.

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   4. Ethylene oxide and ammonia are the raw materials used in production of ________.
   
   (B) Choose correct alternative :
   1. Ammonium phosphate is prepared by using :
      (a) Phosphoric acid (b) Sulphuric acid
      (c) Acetic acid (d) Citric acid

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   2. Liquification of CO₂ is carried out by :
      (a) Condensation (b) Compression
      (c) Evaporation (d) None of these
   3. Which of the following is used as explosive ?
      (a) Acetic acid (b) Ammonia
      

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      (c) Ammonium nitrate (d) All of these
   4. Soaps are salts of :
      (a) Phosphoric acid (b) Fatty acid
      (c) Fumaric acid (d) Nitric acid
   
   

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   (C) Answer in one sentence each :
   1. Define compound interest.
   2. Name the ore used to manufacture fluorine.
   3. What are essential oils ?
   4. What is Ester Value ?

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2. (A) How is ammonium sulphate manufactured industrially ? Explain with flow diagram.
   (B) Explain manufacturing process of nitric acid with flow diagram.
   (C) Discuss consumption pattern of triple superphosphate. Explain manufacturing process of triple super phosphate.
   OR

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3. (P) Describe consumption pattern, reaction involved and flow diagram of ammonium nitrate.
   (Q) Explain manufacturing process of chlorine with flow diagram.
   (R) How is ammonia manufactured in industries ? Discuss the process with flow diagram.

UNIT—II

4. (A) Explain manufacturing process of fluorine with flow diagram.
   

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   (B) Discuss manufacturing process of urea.
   (C) How is lime manufactured industrially ? Explain with raw material, consumption pattern.
   OR
5. (P) Explain manufacturing process of silicon carbide.
   (Q) How is sulphuric acid manufactured in industry ? Discuss with reference to raw material, consumption pattern and process details.
   

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   (R) Explain manufacture process of soda ash by solvay process.

UNIT—III

6. (A) How is glycerine recovered in manufacture of soap ? Explain the process with flow diagram.
   (B) Give uses of following
   1. Menthol
   2. Camphor.

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   (C) Explain manufacturing process of Soyabean oil with flow diagram.
   OR
7. (P) Explain manufacturing process of soap with flow diagram.
   (Q) Describe in brief method or extraction of essential oil.
   (R) Explain process of hydrogenation of vegetable oil with diagram.

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UNIT—IV

8. (A) Explain manufacturing process of vinyl acetate with flow diagram and its uses.
   (B) Explain in detail manufacturing process of mono, di and tri ethanolamine and its use.
   OR
9. (P) Explain manufacturing process of ethylene with flow diagram and its uses.
   

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   (Q) Discuss chlorination of methane with reference to consumption pattern, major engineering problems.

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10. (A) Discuss steps involved in risk management.
    (B) Describe manufacturing process of nitrogen.
    

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    (C) What is dry ice ? Describe its manufacturing process.
    OR
11. (P) Describe manufacturing process of oxygen.
    (Q) Give an account of following hazards :
    1. Explosion
    2. Toxicity.

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    (R) Explain manufacturing process of CO₂.

UNIT—VI

12. (A) Describe factors affecting investment and production cost.
    (B) What is depreciation ? Discuss sum of the years digit method of determination of depreciation.
    (C) What is profitability ? Discuss return of return on investment method of profitability evaluation.
    

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    OR
13. (P) Give an account of simple and compound interest.
    (Q) Discuss straight-line method for determination of depreciation.
    (R) Discuss cash flow for industrial operation.

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