GAS METAL ARC WELDING - Quiz

1) Which is the operation to relieve residual stresses from the welding joint?

Pre-heating Peening Drilling Post heating

2) Which is the only welding position in electro slag welding process?

Down hand Horizonta Vertical Over head

3) Why carbon and manganese are added to plain thermit mixture on rail welding?

To get good fusion To get hardness To get fine welding To get smooth finishing

4) What type of weld is used on prepared holes of overlap joints?

Tack weld Fillet weld Backing weld Plug or slot weld

5) Which is the weld position of GMA welding if the filler metal is deposited from the upper side of the joint during welding?

Vertical position Horizontal position Over head position Down hand position