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E E4844 Pages: 2

PART ^
Answer any four full questions, each carries 10 marks.

a) What is Bending? Write short notes on Bend allowance and Bend Deduction (3)
b) Write short notes on the following terms: (3)
i) Bend axis ii) Flat length iii) Bend length
c) Explain about Press-brake forming (4) 10 a) What do you mean by the term
Bendability? (2) b) Write notes on Shear spinning process. (4)
c) Write notes on rubber forming process. (4)
a) Define the term Weldability. (2) b) Write short notes on the following weld defects (4)
i) Cracks ii) Distortion iii) Lack of penetration.
c) What do you mean by HAZ? Write short notes on the regions of HAZ. (4)
a) Write short notes on Gas welding. Write any three advantages, dis advantages and (5) application
of gas welding.
b) Write notes on the following (5)
i) Consumable Electrodes ii) Non-consumable Electrodes
a) Explain how Plasma arc Welding is carried out. (5) b) Explain how Gas Tungsten Arc welding is
carried out. Write any two advantages of (5) Gas Tungsten Arc welding.

a) Explain the following types of welding process: (5) i) Stud Welding ii)
Percussion welding
b) Write notes on the following (5) i) Torch Brazing ii) Vacuum Brazing

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