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problem 1:

Illustrate the following:

i. Hard soldering

ii. Soft soldering.

problem 2:

Illustrate with neat diagram the torch technique of soldering?

problem 3:

prepare brief notes on following weld defects.

(a) Porosity

(b) Under cutting

(c) Cracks.

problem 4:

Why is cleaning of metal is significant for successful welding? Discuss?

problem 5:

Illustrate the metallurgical effects in resistance welding cycle?

problem 6:

Illustrate the process of welding gray cast iron using manual metal arc welding?

problem 7:

prepare brief notes on following:

(a) Shielding gas in arc welding.

(b) Fluxes in arc welding.

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M910801

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