Exam Details
| Subject | Welding Engg. | |
| Paper | ||
| Exam / Course | Diploma in Mechanical Engineering (DMEVI)& B.Tech. MECHANICAL ENGINEERING 1-4 (BTMEVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
Explain, using a neat diagram the process of submerged arc welding.
Make a comparison between electro-slag and electro-gas welding processes.
How would you classify solid state welding processes Explain anyone of them.
Compare oxy-acetylene and plasma arc cutting processes.
Explain the role and functions of flux used in arc welding processes.
Describe the significance of electrode polarity during arc welding. Discuss.
What metallurgical changes do you foresee in a typical weld bead and heat affected zone of a fusion weld? Describe.
Discuss the effect of rate of heat input and the intensity of welding heat source on the structure of a welded joint.
Explain the advantages, limitations and applications of gas welding process.
Describe the welding defects such as overlap, lack of fusion, lack of penetration, inclusions and spatter.
Explain joint preparation with particular reference to butt welding of plates using arc welding.
Discuss the importance of destructive testing of welded joints.
7. Write short notes on any four of the following:
Resistance Welding
Plasma Spraying
Standard location of elements of a welding symbol
Welding of Ceramics
Radiographic testing of welded joints
Make a comparison between electro-slag and electro-gas welding processes.
How would you classify solid state welding processes Explain anyone of them.
Compare oxy-acetylene and plasma arc cutting processes.
Explain the role and functions of flux used in arc welding processes.
Describe the significance of electrode polarity during arc welding. Discuss.
What metallurgical changes do you foresee in a typical weld bead and heat affected zone of a fusion weld? Describe.
Discuss the effect of rate of heat input and the intensity of welding heat source on the structure of a welded joint.
Explain the advantages, limitations and applications of gas welding process.
Describe the welding defects such as overlap, lack of fusion, lack of penetration, inclusions and spatter.
Explain joint preparation with particular reference to butt welding of plates using arc welding.
Discuss the importance of destructive testing of welded joints.
7. Write short notes on any four of the following:
Resistance Welding
Plasma Spraying
Standard location of elements of a welding symbol
Welding of Ceramics
Radiographic testing of welded joints
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
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Subjects
- Advanced Dynamics Of Machine
- Automobile Engineering
- Combustion Engineering
- Computer Aided Manufacturing
- Computing Aided Design
- Design of Machine Elements
- Engineering Metallurgy
- Engineering Thermodynamics
- Experimental Stress Analysis
- Finite Element Analysis
- Fluid Mechanics
- Heat And Mass Transfer
- Heat Transfer
- I.C. Engines
- Industrial Engineering
- Industrial Ergonomics
- Industrial Measurement And Quality Control
- Industrial Organization And Management
- Kinematics and Dynamics of Machines
- Machine Design - I
- Machine Design-Ii
- Machine Drawing
- Machines Tools
- Maintenance Engineering
- Material Science
- Materials Handling
- Mechanical System Design
- Mechanical Vibration
- Mechanics Of Materials
- Mechatronics
- Metrology
- Metrology And Quality Control
- Non-Conventional Energy Resources
- Non-Destructive Testing
- Nuclear Power Engineering
- Optimisation Techniques In Engineering
- Optimization For Engineering Design
- Power Plant Engineering
- Power Transmitting Elements
- Product Development And Design
- Production And Operations Management
- Production Technology - Ii
- Production Technology-I
- Refrigeration And Air Conditioning
- Refrigeration System
- Robotics
- Safety Engineering
- Technical Entrepreneurship
- Thermal Engineering
- Thermal Engineering - I
- Thermofluid Engineering
- Total Quality Management (Tqm)
- Tribology
- Turbo Machines
- Unconventional Manufacturing Processes
- Welding Engg.