Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem New 2182112 Industrial Corrosion Testing Prevention And Control Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2182112 Date:13/05/2019
Subject Name: Industrial Corrosion, Testing, Prevention & Control
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.
MARKS
Q.1 (a) Discuss the importance of study the corrosion behavior of metals and
alloys.
03
(b) Justify the role of design aspects in corrosion protection. 04
(c) Corrosion failure occurs in car engine cooling system. Identify the
possible causes and suggest remedies.
07
Q.2 (a) Discuss factors affecting life of exhaust valve of a heavy duty natural gas
engine.
03
(b) Describe Failure modes of exhaust valve of a heavy duty natural gas
engine.
04
(c) Using proper examples discuss microbial induced corrosion (MIC).
Discuss different bacteria controlling MIC rate. Suggest suitable remedial
measures.
07
OR
(c) Discuss failure analysis of medium capacity boiler tube used in power
plant including causes and remedies.
07
Q.3 (a) Solution annealing is a tool to prevent IGC. Discuss. 03
(b) List major forms of corrosion may occur in oil and gas production
industries.
04
(c) Corrosion failure occurs in a 316 SS drain pipe line in a refinery. Identify
the Causes and suggest remedies with investigation methodology
adopted.
07
OR
Q.3 (a) Suggest some candidate materials to be used in corrosive environment in
petrochemical industries. .
03
(b) Write a note on corrosive environment in petrochemical industries. 04
(c) Pitting Corrosion Failure occurs in a wet gas pipeline used in
petrochemical plant in south Iran. Explain investigation methodology
adopted to identify the Causes. Suggest remedies.
07
Q.4 (a) Suggest suitable corrosion resistant material for hull of boat. 03
(b) Explain role of ductile brittle transition temperature in corrosion failures. 04
(c) Corrosion fatigue failure occurs in a marine vessel shaft coupling made
by cast Iron and used in ship's propulsion system. Identify the Causes and
explain investigation methodology used. Suggest remedies.
07
OR
Q.4 (a) ?Pitting is most dangerous form of corrosion? Discuss. 03
(b) Suggest preventive measures for corrosion failures in helical compression
spring of automobile suspension system.
04
(c) Selecting proper examples explain how material selection is helpful to
combat corrosion in ship building industries.
07
Q.5 (a) Describe causes of corrosion in automobile battery terminal. 03
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2182112 Date:13/05/2019
Subject Name: Industrial Corrosion, Testing, Prevention & Control
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.
MARKS
Q.1 (a) Discuss the importance of study the corrosion behavior of metals and
alloys.
03
(b) Justify the role of design aspects in corrosion protection. 04
(c) Corrosion failure occurs in car engine cooling system. Identify the
possible causes and suggest remedies.
07
Q.2 (a) Discuss factors affecting life of exhaust valve of a heavy duty natural gas
engine.
03
(b) Describe Failure modes of exhaust valve of a heavy duty natural gas
engine.
04
(c) Using proper examples discuss microbial induced corrosion (MIC).
Discuss different bacteria controlling MIC rate. Suggest suitable remedial
measures.
07
OR
(c) Discuss failure analysis of medium capacity boiler tube used in power
plant including causes and remedies.
07
Q.3 (a) Solution annealing is a tool to prevent IGC. Discuss. 03
(b) List major forms of corrosion may occur in oil and gas production
industries.
04
(c) Corrosion failure occurs in a 316 SS drain pipe line in a refinery. Identify
the Causes and suggest remedies with investigation methodology
adopted.
07
OR
Q.3 (a) Suggest some candidate materials to be used in corrosive environment in
petrochemical industries. .
03
(b) Write a note on corrosive environment in petrochemical industries. 04
(c) Pitting Corrosion Failure occurs in a wet gas pipeline used in
petrochemical plant in south Iran. Explain investigation methodology
adopted to identify the Causes. Suggest remedies.
07
Q.4 (a) Suggest suitable corrosion resistant material for hull of boat. 03
(b) Explain role of ductile brittle transition temperature in corrosion failures. 04
(c) Corrosion fatigue failure occurs in a marine vessel shaft coupling made
by cast Iron and used in ship's propulsion system. Identify the Causes and
explain investigation methodology used. Suggest remedies.
07
OR
Q.4 (a) ?Pitting is most dangerous form of corrosion? Discuss. 03
(b) Suggest preventive measures for corrosion failures in helical compression
spring of automobile suspension system.
04
(c) Selecting proper examples explain how material selection is helpful to
combat corrosion in ship building industries.
07
Q.5 (a) Describe causes of corrosion in automobile battery terminal. 03
2
(b) Describe the corrosion resistance materials, can be used in Automobile
industries.
04
(c) Reformer tube of an Ammonia plant fails. Explain with investigation
methodology adopted to Identify the causes and suggest remedies.
07
OR
Q.5 (a) Suggest material for heat exchanger tube in a fertilizer plant to protect
corrosion damage
03
(b) From a metallurgical engineer point of view describe the causes of
Bhopal gas tragedy.
04
(c) Failure occurs of a reboiler in the waste water stripping tower of a
petrochemical plant. Identify the Causes and suggest remedies.
07
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This post was last modified on 20 February 2020