Jawaharlal Nehru Technological University Kakinada 2009 B.Tech Chemical Engineering Introduction to - Question Paper

No: Y0821/R07 Set No. 4
I B.Tech Supplementary Examinations, November 2009
INTRODUCTION TO CHEMICAL ENGINEERING
(Chemical Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks


1. (a) discuss the electro mechanical operation.
(b) Differentiate ranging from Geometric and Kinematic Similarities. [8+8]
2. (a) How do you classify energy associated with mass.
(b) Derive Kirchoff's formula for effect of temperature on heat of reaction.[6+10]
3. (a) With the help of a neat figure explain about the development of a boundary
layer on a flat plate.
(b) Write the expression for thickness of boundary layer if the boundary layer is
laminar and turbulent, respectively. [12+4]
4. (a) describe capacity and economy.
(b) discuss forward feed triple effect evaporator with suitable sketch. [6+10]
5. (a) Mass transfer may occurs in various ways, name any five.
(b) elaborate phenomena that must exists in a mass transfer opeartion.
(c) There are many similarities and differences ranging from different mass transfer
operations mention them. [5+3+8]
6. (a) What is differential distillation? Derive Rayleigh formula.
(b) discuss briefly classification of gas-liquid contact equipment. [8+8]
7. discuss in detail about classification of industrial liquid-liquid contactors. [16]
8. (a) How many ways the crystallization takes place.
(b) elaborate the steps involved for crystallization to takes place?
(c) Write short notes on classification of crystallization equipment. [4+4+8]

Earning:   Approval pending.