Jawaharlal Nehru Technological University Hyderabad 2011-1st Sem M.Tech Thermal Power Engineering Code No: C2106 s ch/il- CRYOGENIC ENGINEERING - Question Paper

1. a) Derive the minimum work needed for liquification.
b) List out the desired properties of cryogenic fluids. [6+6]
2. a) explain any 2 methods to produce low temperature.
b) discuss any 1 liquification system for non Inert gases. [6+6]
3. a) discuss the working of liquification system for Inert gases.
b) explain the significance of compressors, expanders and heat exchanges in a
liquification system. [6+6]
4. a) discuss the working of Gas-Separation systems.
b) discuss the principles and properties of gas mixtures. [6+6]
5. a) explain the working of gas purification system.
b) explain the principles of gas separation. [6+6]
6. a) discuss the working of cryogenic refrigeration system.
b) explain the principles of storage and handling cryogenic fluid. [6+6]
7. a) Distinguish ranging from solid, liquid and gaseous cryogenic fluids.
b) discuss the working of cryocoder. [6+6]
8. a) List out the applications of cryogenic refrigeration systems.
b) explain the process of In-flight air separation and collection of LOX. [6+6]

Earning:   Approval pending.