PETRO CHEMICAL PROCESSES MODEL QUESTION PAPER DIPLOMA 6TH SEMESTER CHEMICAL ENGG

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. Online maintenance is also known as _____________.

 

ii. Dye penetration test is used to check ________________ failure.

iii. An example of personnel protective equipment is ______________.

iv. Increase in carbon dioxide in atmosphere leads to __________________.

v. The main source of air pollution is ____________________ .

 

b. Write a short note on Equipment replacement analysis.                                     5

SECTION-I

2. a. State the different types of maintenance .                                                               3                                                                       

    b. State the objectives of plant  maintenance.                                                            5  

    c. Explain briefly preventive maintenance & mention its advantages.                    4+3

3. a. State the purposes of lubrication.                                                                             5

    b. State & explain different properties of lubricants.                                                  4+6

4. a. Explain briefly the procedure of preparing equipment for maintenance.           10

    b. Describe the maintenance of the batch reactor.                                                   5

 

 

SECTION-II

5. a. List the hazard in chemical industries & their causes.                                        2+5                          

    b. Explain the various factors to reduce hazards in chemical industries.                  8

6. a. State the causes of fire.                                                                                          4

    b .Explain various personnel protective devices.                                                     11                                                                                                                 

7.  a. State the objectives of safety & explain how they are achieved.                          8

     b. Explain detection & prevention of fire.                                                                 7

SECTION-III

8. a. Classify the water pollutants & mention their ill effects.                                       6   

     b. Describe industrial waste water treatment.                                                            9      

9.  a. Explain briefly the sources of air pollutants.                                                         7

     b.  Describe the air pollution control by electrostatic precipitator with sketch.        8                                                             

10. Write short notes on pollution control in                                                                 7+8

      a. Pulp & paper industry.

      b. Cement industry.

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