GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VIII (NEW) EXAMINATION — WINTER 2020
--- Content provided by FirstRanker.com ---
Subject Code:2182112 Date:21/01/2021Subject Name:Industrial Corrosion, Testing, Prevention & Control
Time:02:00 PM TO 04:00 PM Total Marks: 56
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
MARKS
Q.1 (a) Write the importance of corrosion prevention. 03
(b) Define corrosion. List the types of corrosion. 04
--- Content provided by FirstRanker.com ---
(c) Discuss the importance of corrosion study of metals and alloys based on economic aspects. 07 Q.2 (a) Enlist different methods of corrosion prevention. 03
(b) What is e.m.f. series? Discuss its applicability and limitations in corrosion studies. 04
(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 production industries. 03
--- Content provided by FirstRanker.com ---
(b) Justify the role of design aspects in corrosion protection. 04(c) Identify the causes and explain investigation methodology used to investigate the types of corrosion failures in power industries. Suggest remedies. 07
Q.4 (a) Justify the role of material/Selection in corrosion protection. 03
(b) Explain the failures due to embrittlement in boiler tubes along with the remedial measures. 04
(c) Identify the causes and explain investigation methodology used to investigate the types of corrosion failures in petrochemical industries. Suggest remedies. 07
--- Content provided by FirstRanker.com ---
Q.5 (a) What is galvanic series? Discuss its applicability and limitations in corrosion studies. 03
(b) Discuss corrosive environment in fertilizer industries. 04
(c) Identify the causes and explain investigation methodology used to investigate the types of corrosion failures in ship building industries. Suggest remedies. 07
Q.6 (a) With a suitable diagram, explain galvanic cell. Write the equations involved. 03
(b) Suggest suitable corrosion resistant material for hull of boat. 04
--- Content provided by FirstRanker.com ---
(c) Identify the causes and explain investigation methodology used to investigate the types of corrosion failures in fertilizer industries. Suggest remedies. 07 Q.7 (a) Explain role of ductile brittle transition temperature in corrosion failures. 03
(b) Discuss corrosion resistant materials for marine industries. 04
(c) Identify the causes and explain investigation methodology used to investigate the types of corrosion failures in automobile industries. Suggest remedies. 07
Q.8 (a) What is dealloying in corrosion? 03
--- Content provided by FirstRanker.com ---
(b) Suggest preventive measures for corrosion failures in helical compression spring of automobile suspension system. 04(c) Write a short note on ASTM standards for corrosion testing. 07
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University