Maharashtra State Board of Technical Education 2012-6th Sem Diploma Chemical Engineering for Subject Petrochemical Technology(12299) - Question Paper
MSBTE Sample ques. Paper for Chemical Engineering
Sixth Semester
Subject Petrochemical Technology(12299)
Scheme - E
Sample Question Paper
Course Name : Diploma in Chemical Engineering Semester : Sixth Course code : C*H Subject Title : Petrochemical Technology
Max. Marks : 100 Time: 3 HRS.
12299
Instructions:
1) All the questions are compulsory.
2) Figures to the right indicate full marks.
3) Assume suitable additional data if necessary.
Q.l A) Attempt any THREE of the following: 12 Marks
a) List out the name of any six countries producing crude oil. Which country is major producer of crude oil?
b) Why distillation operation is considered to be major unit operation in oil refining process?
c) How emission control can be done if petrochemical industries?
d) List out any four safety measures to be taken in petrochemical industry.
Q.l B) Attempt any ONE of the following: 06 Marks
a) What are the various characteristics of crude oil? What are the various constituents and their percentage in crude oil.
b) Describe thermal cracking process.
Q.2 Attempt any FOUR of the following:
16 Marks Write their
the basis of
a) What are the fractions obtained from petroleum distillation? approximate boiling point ranges
b) What is principle of reformmg? What are the reactions mvolved in it?
c) Differentiate between thermal cracking and catalytic cracking on temperature, catalyst used and advantages.
d) Why crude oil is called black gold? What are its advantages and disadvantages over other energy sources?
e) What is alkylation? Write down reactions involved in it.
16 Marks
f) List out two chemicals derived from Cl & C2 Hydrocarbons.
Q. 3 Attempt any FOUR of the following:
a) List out the pretreatment methods of crude oil and explain desalination.
b) What is polymerization? State the 3 methods of polymerization.
c) What are the applications of vacuum distillation in crude oil refining?
d) What is hydration? Explain with example.
e) What are the characteristics of waste water produced in refinery?
Q.4 A) Attempt any THREE of the following:
12 Marks
a) Give two uses each of following refinery products.
i) Asphalt ii) Lubricating oil iii) Fuel oil iv) Naphtha
b) What is hydro cracking? What are the products obtained from this process?
c) What is esterifieation? Write down reactions involved in it?
d) Write down reactions involved in the production of ethylene oxide and formaldehyde.
Q.4 B) Attempt any ONE of the following: 06 Mark
a) Explain the manufacturing of butadiene with neat flowsheet.
b) What are the various types of hazards in petrochemical plant? Explain the
preventive measures to be taken. Q.5 Attempt any TWO of the following:
16 Marks
a) Explain the manufacturing of Styrene with neat flow* sheet.
b) With neat flow diagram explain the manufacturing of MTBE.
c) What are the reactions involved in the manufacturing of Butadiene. Draw neat flow diagram. State its two uses.
Q.6 Attempt any FOUR of the following:
16 Marks
a) What is difference between petroleum refinery and petrochemical plant on the basis of various products?
b) What is condensation polymerization? Write any one reaction.
c) State the meaning of terms LEL and HEL? What is ignition temperature?
d) What are the reactions involved in the production of BTX. What are the various derivatives obtained from Benzene?
e) Write two uses each of the following petrochemicals
l. Methanol ii. Ethylene oxide iii. MTBE iv. Acetaldehyde
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