Download GTU BE/B.Tech 2018 Winter 3rd Sem Old 133403 Engineering Materials And Metallurgy Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 3rd Sem Old 133403 Engineering Materials And Metallurgy Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?III (OLD) EXAMINATION ? WINTER 2018
Subject Code:133403 Date:01/12/2018

Subject Name:Engineering Materials And Metallurgy

Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.



Q.1 (a) Classify phase diagram. Draw and explain about cooling curve for pure
metal.
07
(b) Write the purpose of alloying. Write the advantages and disadvantages of
Alloy Steel.
07

Q.2 (a) Sketch and explain the Iron ? Iron Carbide equilibrium diagram. 07
(b) Explain about Normalizing and its purpose. 07
OR
(b) Distinguish between Thermoplastics and Thermosetting plastics with suitable
example.
07
Q.3 (a) Write the procedure to conduct Impact Testing with neat sketch. 07
(b) Write the effect of Silicon and Vanadium as an alloying element to add on
Steel.
07
OR
Q.3 (a) Write the effect of Tungsten and Manganese as an alloying element to add on
Steel.
07
(b) Sketch and explain the Jominy end-quench hardenability test and Jominy
curve.
07
Q.4 (a) Write the characteristics, properties and uses of Magnesium alloy. 07
(b) Define Carburizing. Write the process, characteristics and uses of Carburizing. 07

OR
Q.4 (a) Write the stages of heat treatment process. Write short notes on Annealing. 07
(b) Define Hardening. Write short notes on Hardening and its procedure. 07
Q.5 (a) Write the steps to construct Isothermal transformation diagram (TTT) with
sketch.
07
(b) How to determine Creep limit by using Creep Testing Method with procedure. 07
OR

Q.5 (a) Explain in brief about Composite materials and its properties. 07
(b) Write the procedure for measuring Hardness by using Rockwell Test with a
sketch.
07


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