WELDABILITY OF STEEL - Quiz

1) What thickness of plate, gas welding by forehand technique can be used without edge preparation?

Up to 2.5 mm Up to 3.15 mm Up to 4 mm Up to 5 mm

2) What flux is used in welding brass?

Anti - borax Borax paste Cryolite and berium chloride Zinc chloride and potassium dichromate

3) What flux is to be used for gas welding stainless steel plates?

Borox flux Anti - Borox Cryolite and berium chloride Zinc chloride and potassium dichromate paste

4) Which filler rod to be used for gas welding aluminium?

Silicon - brass Silicon - manganese Copper - Silver alloy Pure aluminium, 5% silicon aluminium alloy

5) What should be the pre - heating temperature of aluminium job for gas welding?

200 Degree Centigrade - 400 Degree Centigrade 250 Degree Centigrade - 400 Degree Centigrade 300 Degree Centigrade - 400 Degree Centigrade 350 Degree Centigrade - 400 Degree Centigrade