Download JNTUK M-Tech 2020 R19 ME Material Technology Model Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) M.Tech (ME is Master of Engineering) 2020 R19 ME Material Technology Model Previous Question Paper

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[M19CAD1104]
I M. Tech I Semester (R19) Regular Examinations
MATERIAL TECHNOLOGY
Department of Mechanical Engineering
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
UNIT-I CO KL M
1. a). Describe mechanism of plastic deformation. 1 2 8
b). Write a short not on slip and twinning. 1 2 7
OR
2. a). Explain the process of precipitation hardening. 1 2 8
b). What is the effect of strain and strain rate on super plasticity? 1 2 7
UNIT-II
3. a). Explain the importance of stress intensity factor in design. 2 2 8
b). Explain the work hardening behavior of ductile metals. 2 2 7
OR
4. a). What is creep rupture and how dose Larson-Miller parameter helps in
dealing it?
2 2 8
b). Discuss Griffiths theory of brittle fracture. 2 2 7
UNIT-III
5. a). Differentiate high and low cycle fatigue. 3 2 8
b). Discuss varis features of fatigue fracture. 3 2 7
OR
6. a). What are srces of failure and discuss anyone procedure of failure
analysis?
3 2 8
b). With a neat sketch explain rotating beam type fatigue measurement. 3 2 7
UNIT-IV
7. a). What are salient features of marging steel? 4 2 8
b). List t varis applications of dual steel. 4 2 7
OR
8. a). Write a short note on smart materials. 4 2 8
b). Discuss abt Ni and Ti Aluminides. 4 2 7
UNIT-V
9. a). Discuss molecular structures of any two polymeric materials. 5 2 8
b). What is the purpose of metallic coatings and mention varis
procedures to apply coating.
5 2 7
OR
10. a). Write a short note on processing and application of CBN 5 2 8
b). List t varis properties of TaC 5 2 7
CO-CRSE TCOME KL-KNOWLEDGE LEVEL M-MARKS

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