Download GTU BE/B.Tech 2019 Summer 3rd Sem Old 133403 Engineering Materials And Metallurgy Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 3rd Sem Old 133403 Engineering Materials And Metallurgy Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III(OLD) EXAMINATION ? SUMMER 2019
Subject Code: 133403 Date:07/06/2019

Subject Name: Engineering Materials And Metallurgy

Time: 02:30 PM TO 05:00 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) Sketch and explain the Iron ? Iron Carbide equilibrium diagram.

07
(b) Explain Nitriding process and state its advantages and disadvantages.

07

Q.2 (a) Explain in brief about the TTT curve with neat sketch.

07
(b) Discuss in brief about effect of Mo, Mn and Si alloy addition on Steel.

07
OR
(b) Define Constitution of alloy. Explain the isomorphism microstructural
development with a neat sketch.

07
Q.3 (a) Classify phase diagram. Draw and explain about cooling curve for pure metal.

07
(b) How do you measure the hardenability of Steel by using Jominy end quench
method with sketch?

07
OR
Q.3 (a) Write the procedure for measuring Hardness by using Rockwell Test with a
sketch.

07
(b) Explain in brief about Composite materials and its properties.

07

Q.4 (a) What are case hardening and martempering treatments? What are their
purposes?

07
(b) Write short notes about Bio degradable materials and its advantages.

07

OR
Q.4 (a) Differentiate clearly between thermoplastics and thermosetting plastics with
suitable applications and examples.

07
(b) Write short notes about properties of ceramics materials.

07
Q.5 (a) Explain in brief about Super conductors and its properties.

07
(b) How to determine Creep limit by using Creep Testing Method with procedure.

07
OR

Q.5 (a) Write short notes on composition, properties and applications of austenitic
stainless steel and high speed steel.

07
(b) Write the stages of heat treatment process. Write short notes on Annealing.

07


*************
FirstRanker.com - FirstRanker's Choice