Previous year question paper for WT (Diploma Mechanical Engineering 5th)

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Welding Technology

Previous year question paper with solutions for Welding Technology from 2012 to 2013

Our website provides solved previous year question paper for Welding Technology from 2012 to 2013. Doing preparation from the previous year question paper helps you to get good marks in exams. From our WT question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

 

1. INTRODUCTION TO WELDING (5hrs)

1.1 Principle of welding

1.2 Classification of welding processes

1.3 Advantages, Limitations of welding .

1.4 Welding applications

1.5 Weld ability

2 GAS WELDING (7hrs)

2.1 Principle of operation

2.2 Oxyacetylene flame

2.2.1 Types of flame

2.2.2 Combustion of flame

2.3 Welding Techniques

2.4 Filler rods And fluxes for gas welding

2.5 Gas welding equipment and accessories

2.5.1 Oxygen gas cylinders

2.5.2 Acetylene gas cylinders

2.5.3 Acetylene gas generator

2.5.4 Pressure Regulator

2.5.5 Oxygen and Acetylene Hoses

2.5.6 Welding Torch

3 ARC WELDING (7hrs)

3.1 Arc welding process

3.2 Striking the arc

3.3 Are length

3.4 Are blow

3.5 Arc welding machines- types and details

3.6 Selection of welding machines

3.7 AC and DC welding and effects of polarity

3.8 Electrodes-classification, specifications and selection

3.9 Coated electrodes

3.10 Welding positions

3.11 Welding procedures

3.12 Welding defects 

4 RESISTANCE WELDING (7hrs)

4.1 Principle

4.2 Advantages, disadvantages

4.3 Applications

4.4 Spot welding

4.5 Seam welding

4.6 Projection welding

4.7 Butt Welding

4.7.1 Upset butt welding

4.7.2 Flash butt welding

4.8 Percussion welding

5 OTHER WELDING PROCESSES (9hrs)

5.1 Submerged arc welding

5.2 TIG welding

5.3 MIG welding

5.4 Electro slag welding

5.5 Plasma are welding

5.6 Ultrasonic welding

5.7 Thermit welding

5.8 Atomic hydrogen welding

5.9 Electron beam welding

5.10 Laser beam welding

5.11 Automated welding

6 BRAZING (5hrs)

6.1 Principle

6.2 Procedure

6.3 Brazing filler alloys

6.4 Brazing fluxes

6.5 Advantages, Limitations and applications

7 SOLDERING (5hrs)

7.1 Principle

7.2 Solders

7.3 Soldering fluxes

7.4 Soldering Methods

7.5 PCB Soldering

8 WELDING OF DIFFERENT MATERIALS (5hrs)

8.1 Welding Cast iron, Alloy Steel, tool Steel, Aluminium, Magnesium,

Stainless, Copper

9 WELD DEFECTS AND TESTING (6hrs)

9.1 Types of weld Defects; their causes and prevention.

9.2 Destructive testing of welds

9.3 Non Destructive tests- Fluorescent penetration test, magnetic particle test,

ultrasonic test, radiographic test. 

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2013
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2012
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Related Subjects
AE GSED MP3 PPC
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wt welding technology