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MP Sub-Engineer ME: Welding Quiz 24
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Question 1
The temperature of a carburising flame in gas welding is _______ that of a neutral or an oxidizing flame.
Question 2
In an arc welding process, welding speed is doubled. Assuming all other process parameters to be constant, the cross sectional area of the weld bead will _________.
Question 3
Which of the following welding method uses a pool of molten metal?
Question 4
Black colour is generally painted on
Question 5
Which of the following carbon steel is most difficult to weld?
Question 6
Two sheet of 16 mm thickness is to be joined with the help of electric arc process. No filler material is used during the welding process and weldments do not react with the environment gases. Find the electrode tip diameter __________ (in mm).
Question 7
Electrode used in TIG is:
Question 8
Which of the following arc welding processes does not use consumable electrodes_______.
Question 9
The size of heat affected zone will increase with
(a) Increase in base metal thickness.
(b) Increase in thermal conductivity of Base metal.
Question 10
In fusion welding, penetration is the ratio of ___________.
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