Exam Details
| Subject | material science & metallurgy | |
| Paper | ||
| Exam / Course | pddc | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | November, 2018 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-III EXAMINATION WINTER 2018
Subject Code:X31902 Date: 22/11/2018
Subject Name: Material Science 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
Differentiate between macro and micro examinations. Explain Importance of microscopic examination in metallurgy.
07
Define: Toughness Hardness Hardenability Malleability Creep
Elasticity Ductility.
07
Q.2
What is atomic packing factor? Calculate the same for BCC and FCC structures.
07
What is Gibb's phase rule? Define system, phase and degree of freedom. Show that the degree of freedom at eutectic point in a binary phase diagram is zero.
07
OR
Discuss selection criteria for materials used in engineering applications.
07
Q.3
Draw iron carbon Equilibrium diagram and mention all major elements.
07
What is solid solution? Explain types of solid solution. Also give Hume Rothery's Rules.
07
OR
Q.3
What is phase diagram? Explain lever rule.
07
Explain TTT diagram with neat sketch.
07
Q.4
Describe effect of quenching media on properties of steel during heat treatment.
07
Explain the NDT method widely used for inspection of castings.
07
OR
Q.4
Define Corrosion. Explain difference between dry type and Wet type corrosion.
07
Explain cathodic protection against corrosion.
07
Q.5
Explain important factors in heat-treatment of steel.
07
Explain annealing process and justify its requirement.
07
OR
Q.5
What is powder metallurgy? State the applications of powder metallurgy.
07
Explain any two methods for production of metal powders.
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-III EXAMINATION WINTER 2018
Subject Code:X31902 Date: 22/11/2018
Subject Name: Material Science 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
Differentiate between macro and micro examinations. Explain Importance of microscopic examination in metallurgy.
07
Define: Toughness Hardness Hardenability Malleability Creep
Elasticity Ductility.
07
Q.2
What is atomic packing factor? Calculate the same for BCC and FCC structures.
07
What is Gibb's phase rule? Define system, phase and degree of freedom. Show that the degree of freedom at eutectic point in a binary phase diagram is zero.
07
OR
Discuss selection criteria for materials used in engineering applications.
07
Q.3
Draw iron carbon Equilibrium diagram and mention all major elements.
07
What is solid solution? Explain types of solid solution. Also give Hume Rothery's Rules.
07
OR
Q.3
What is phase diagram? Explain lever rule.
07
Explain TTT diagram with neat sketch.
07
Q.4
Describe effect of quenching media on properties of steel during heat treatment.
07
Explain the NDT method widely used for inspection of castings.
07
OR
Q.4
Define Corrosion. Explain difference between dry type and Wet type corrosion.
07
Explain cathodic protection against corrosion.
07
Q.5
Explain important factors in heat-treatment of steel.
07
Explain annealing process and justify its requirement.
07
OR
Q.5
What is powder metallurgy? State the applications of powder metallurgy.
07
Explain any two methods for production of metal powders.
07
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