Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 8th Sem 2182112 Industrial Corrosion, Testing, Prevention And Control Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VIII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2182112 Date:21/01/2021
Subject Name:Industrial Corrosion, Testing, Prevention & Control
Time:02:00 PM TO 04:00 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1
(a) Write the importance of corrosion prevention.
03
(b) Define corrosion. List the types of corrosion.
04
(c) Discuss the importance of corrosion study of metals and alloys
07
based on economic aspects.
Q.2
(a) Enlist different methods of corrosion prevention.
03
(b) What is e.m.f. series? Discuss its applicability and limitations in
04
corrosion studies.
(c) Explain in detail about stress corrosion and corrosion fatigue.
07
Q.3
(a) List major forms of corrosion may occur in oil and gas
03
production
industries.
(b) Justify the role of design aspects in corrosion protection.
04
(c) Identify the causes and explain investigation methodology used to
07
investigate the types of corrosion failures in power industries.
Suggest remedies.
Q.4
(a) Justify the role of material selection in corrosion protection.
03
(b) Explain the failures due to embrittlement in boiler tubes along
04
with the remedial measures.
(c) Identify the causes and explain investigation methodology used to
07
investigate the types of corrosion failures in petrochemical
industries. Suggest remedies.
Q.5
(a) What is galvanic series? Discuss its applicability and limitations
03
in corrosion studies.
(b) Discuss corrosive environment in fertilizer industries.
04
(c) Identify the causes and explain investigation methodology used to
07
investigate the types of corrosion failures in ship building
industries. Suggest remedies.
Q.6
(a) With a suitable diagram, explain galvanic cell. Write the equations
03
involved.
(b) Suggest suitable corrosion resistant material for hull of boat.
04
1
(c) Identify the causes and explain investigation methodology used to
07
investigate the types of corrosion failures in fertilizer industries.
Suggest remedies.
Q.7
(a) Explain role of ductile brittle transition temperature in corrosion
03
failures.
(b) Discuss corrosion resistant materials for marine industries.
04
(c) Identify the causes and explain investigation methodology used to
07
investigate the types of corrosion failures in automobile industries.
Suggest remedies.
Q.8
(a) What is dealloying in corrosion?
03
(b) Suggest preventive measures for corrosion failures in helical
04
compression spring of automobile suspension system.
(c) Write a short note on ASTM standards for corrosion testing.
07
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This post was last modified on 04 March 2021