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Welder
WELDABILITY OF STEEL
Set 11
Set 11
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Q13334
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What thickness of plate, gas welding by forehand technique can be used without edge preparation?
A
Up to 2.5 mm
B
Up to 3.15 mm
C
Up to 4 mm
D
Up to 5 mm
Q13335
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What flux is used in welding brass?
A
Anti - borax
B
Borax paste
C
Cryolite and berium chloride
D
Zinc chloride and potassium dichromate
Q13336
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What flux is to be used for gas welding stainless steel plates?
A
Borox flux
B
Anti - Borox
C
Cryolite and berium chloride
D
Zinc chloride and potassium dichromate paste
Q13337
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Which filler rod to be used for gas welding aluminium?
A
Silicon - brass
B
Silicon - manganese
C
Copper - Silver alloy
D
Pure aluminium, 5% silicon aluminium alloy
Q13338
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What should be the pre - heating temperature of aluminium job for gas welding?
A
200 Degree Centigrade - 400 Degree Centigrade
B
250 Degree Centigrade - 400 Degree Centigrade
C
300 Degree Centigrade - 400 Degree Centigrade
D
350 Degree Centigrade - 400 Degree Centigrade
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