Thapar University 2006 B.Tech Chemical Engineering Chemical Technology-2 - Question Paper
Thapar Institute of Engineering and Technology
End Sem. Exam(December 6,2006)
(CH-008) Chemical Technology-2
Department of Chemical Engineering End Sem. Exam. (December 6, 2006) CH-008: Chemical Technology - II
Time: 3 Hr.___Attempt All Questions _ Max Marks: 60
1. What is crude oil? Name feed and various products of vacuum distillation unit. What are API, Aniline point. Smoke point. Diesel index, and Octane number?
(1-4-5)
2. What is coal and how it is classified? What is destructive distillation of coal? With the help of a neat diagram explain and justify various processes involved in destructive distillation of coal. (2-2-6)
3. What are black liquor and white liquor? What do you understand by the terms Pulping and Bleaching? Using a neat flow diagram explain manufacturing of paper. Explain importance of various rollers used. (2-2~4-2)
4. (a) What is vegetable oil? Name two vegetable oils that are not edible. (2-2 )
(b) What is hydrogenation of oil? Explain the process with the help of a neat
diagram and chemical reactions involved. (2-5)
5. What is "sugar free sugar'*? What is the difference between carbohydrate and hydrocarbon? Name three byproducts of sugar industry and explain their uses. (2-2-6)
6. Write short note on any three of the following (3-3-3)
(a) Phthalic Anhydride (d) Natural Rubber
(b) DDT (e) PVC
(c) TNT (f) Nylon
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