Heat Exchanger Analysis & Design Question Paper 2012 for BPUT M.Tech Mechanical Engineering or Thermal Engineering is given below. Heat Exchanger Analysis & Design (HEAD) is an optional paper in M.Tech 2nd sem. . There is no special book for this subject, however you can get maximum course content on “Heat Transfer” By R K Rajput (S. Chand Publication).
Second Semester Examinations-2012
Heat Exchanger Analysis & Design Question Paper 2012
Full Mark-70
Time-3 hrs.
Answer any Six including Question No. I which is compulsory
The figures in the right hand margin indicate mark.
1. Answer the following question in brief: 2X 10
a) How is the compact heat exchanger defined.
b) What kind of heat exchanger is preferred in dairy farm application?
c) What is the significance of NTU?
d) What is LMTD correction factor?
e) What are buffles plate provided? 0 What are the various classification of cooling towers?
g) List the effect of channel divergence.
h) What are the causes of presure drop in shell and tube heat exchangers?
i) What type of heat exchanger is recomended for recovery of heat from blast furnace?
j) How can the flow induced vibration be minimised?
2. Write the details of classification of heat exchangers. What are the various type of shell and tube arrangement employed?
3. Find out an expression of LMTD of a counterflow heat exchanger.
4. Prove that the effectiveness of the heat exchangers is independent of flow direction if one side fluid is undergoing a phase change. Derive an expression for effectiveness of such a heat exchangers.
5. (a) What are the various sources of a noise in a heat exchangers. how it can be minimised ?
(b) what are the causes of development of stress in a heat exchangers and how thermal stress can be minimised ?
6. With a neat sketch, explain the the working of a cooling tower?
7. Explain how the makeup water requirement is estimated from energy and mass balance of a cooling tower.
8. (a) Draw a neat sketch showing the temperature variation of a cross flow heat exchanger.
(b) Explain the working of a nozzle meter.