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Manufacturing II welding
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Question 1
The main constituents of soldering alloy are
Question 2
Which two of the following joining processes are autogeneous?
(i) Diffusion welding
(ii) Electroslag welding
(iii) Tungsten inert gas welding
(iv) Friction welding
(i) Diffusion welding
(ii) Electroslag welding
(iii) Tungsten inert gas welding
(iv) Friction welding
Question 3
Strength of the various welding joints is affected due which of the following factors:
Question 4
The temperature reached in Plasma-Arc welding is nearly
Question 5
The strength of a properly welded joint as compared to base metal would be _____.
Question 6
Which one of the following is a solid state joining process?
Question 7
In oxyacetylene welding, a stronger oxidizing flame is used mainly for
Question 8
Resistance spot welding is performed on two plates of 2 mm thickness with 6 mm diameter electrode, using 15000 A current for time duration of 0.25 seconds. Assuming interface resistance to be 0.0001 ohm, the heat generated to form the weld is ____ W-sec.
Question 9
The material used for coating the electrode in arc welding is called ______.
Question 10
Projection welding is ____.
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