PETRO CHEMICAL PROCESSES MODEL QUESTION PAPER 2012

 

MODEL QUESTION PAPER

SUBJECT: PETRO CHEMICAL PROCESSES (ELECTIVE )

SUBJECT CODE : 9CH

INSTRUCTIONS

1. Question no. 1 is compulsory.
2. Answer any two full questions from each sections.

 

1. a. Fill in the blanks:                                                                                                    1 x 5

i. Chloramethanes are produced by _______________ reactions.

 

ii. Methanol is commonly used as ___________.

iii. The catalyst used in alkylation process is _______________.

iv. SNG is mainly used as _____________.

v. Benzene is produced by toluene by ________________ process .

 

b. Write a short note on delayed coking.                                                                          5

 

SECTION-I

 

2. a. Explain the manufacture of Formaldehyde with a neat flow sheet .                      5+5                                                                       

    b. Describe production of Chloromethanes.                                                                  5 

3.  Explain the production of ethylene by steam cracking of hydrocarbons with flow

      sheet.                                                                                                                         8+7

4. a. Explain the manufacture of vinyl chloride with the flow sheet.                                    5+5

    b. Describe the production of acetylene from calcium carbide.                                          5

 

SECTION-II

5. a. List the methods of production of acetone & mention its applications..                     3+2                           

    b. Explain the manufacture of acetone by dehydrogenation of isopropanol with flow

        diagram.                                                                                                                        5+5                                                                                                                     

6. a. Explain dehydrogenation of butane to butane with flow sheet.                                    5+5

    b .write a note on acrylonitrile.                                                                                            5                                                              

7.  Explain the production of propylene oxide via chlorohydrin process with flow sheet

         & mention its applications.                                                                                       6+6+3

SECTION-III

8. a. Explain steam reforming of natural gas with flow sheet.                                            5+5   

     b. Explain catalytic reforming of BTX.                                                                           5      

9. What do you mean by isomerisation? Explain isomerisation of xylene with flow

      sheet.                                                                                                                            3+6+6                                                                    

10. Write short notes on                                                                                                      3x 5

      a. Dehydrogenation of ethyl benzene.

      b. Production of caprolactum.

     c. Aniline production.