GTU previous years question papers -BE- Sem-III -Material Science & Metallurgy -Dec 2009

GTU previous years question papers


B.E. Sem-III Examination December 2009

Subject code: 131904

Subject Name: Material Science & Metallurgy



1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) [1] Give differences between metals and non metals. 04

[2] Define (1) Creep, (2) Malleability (3) Hardness 03

(b) Which are advantages and limitations of powder metallurgy? 07

Q.2 (a) What is non destructive test? List various non destructive tests. Explain X ray Radiography. 07

(b) Explain selection criteria for engineering materials. 07


(b) [1] List properties of wrought Iron. 03

[2] Define (1) Creep, (2) Malleability (3) Hardness 04

Q.3 (a) [1] Define Allotropy. Explain allotropy of Iron. 03

[2] Draw Iron Carbon Equilibrium diagram. 04

(b) Give composition, properties and uses of malleable cast iron. 07


Q.3 (a) Draw neat sketch of metallurgical microscope. Explain its construction. 07

(b) What is solid solution? Explain types of solid solution. Also give Hume Rothery’s Rules. 07

Q.4 (a) Give composition, properties and uses of Y alloy. 07

(b) What is cathodic protection? 07


Q.4 (a) What are the purposes of alloying? Give effects of Nickel as an alloying element. 07

(b) Give composition and uses of Monel metal and Nichrome. 07

Q.5 (a) Explain Ultrasonic testing with advantages and limitations. 07

(b) Which are various Surface Hardening processes? Explain Induction Hardening process with sketch.07


Q.5 (a) Explain any two methods for production of metal powders. 07

(b) [1] Which are the objectives of Heat Treatment? 0 3

[2] Give difference between Annealing and Normalising. 04


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