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 | June, 2015 | |
| City, State | new delhi, |
Question Paper
Explain Plasma arc welding with a neat sketch. Give its advantages and disadvantages.
Describe with a heat sketch the mechanism of explosive welding. Also write its main applications.
Explain the principle of generation of LASER. Describe laser beam welding.
Discuss underwater welding.
Define brazing. Explain how this process is different from soldering and welding.
Describe surfacing. Give its major applications.
Describe distortion and explain the effect of preheating and post weld heating on distortion.
Define weldability of materials. Mention the factors on which weldability depends.
Explain ultrasonic and magnetic particle inspection as applied to welds.
Draw symbols and sketches for lap joint, butt joint, edge joint and plug joint.
Describe the major differences between TIG and MIG processes.
Describe with the help of a neat sketch different structural features of a weld bead. How do the various features of bead geometry affect weld quality? Discuss.
7. Write short notes on any four of the following
Different types of gas welding flames
Gas cutting
Destructive testing of welded joints
Welding defects
Diffusion welding
Describe with a heat sketch the mechanism of explosive welding. Also write its main applications.
Explain the principle of generation of LASER. Describe laser beam welding.
Discuss underwater welding.
Define brazing. Explain how this process is different from soldering and welding.
Describe surfacing. Give its major applications.
Describe distortion and explain the effect of preheating and post weld heating on distortion.
Define weldability of materials. Mention the factors on which weldability depends.
Explain ultrasonic and magnetic particle inspection as applied to welds.
Draw symbols and sketches for lap joint, butt joint, edge joint and plug joint.
Describe the major differences between TIG and MIG processes.
Describe with the help of a neat sketch different structural features of a weld bead. How do the various features of bead geometry affect weld quality? Discuss.
7. Write short notes on any four of the following
Different types of gas welding flames
Gas cutting
Destructive testing of welded joints
Welding defects
Diffusion welding
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
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- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
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- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
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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.