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Plumber
WELDING
Set 3
Set 3
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Q10538
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Which type of filler metal require flux while gas welding?
A
High silicon cast iron S - C 11
B
Mild steel-type S-FS1
C
Mild steel-type S-FS2
D
Wear-resisting alloy steel
Q10539
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Which is the important part in soldering iron?
A
Handle
B
Shank
C
Head (copper bit)
D
Edge
Q10540
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Which material is used to manufacture soldering iron tip?
A
Cast iron
B
Steel
C
Bronze
D
Copper
Q10541
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Which type of flux removes oxides on base metal surface?
A
Inorganic fluxes
B
Organic fluxes
C
Resin
D
Tallow
Q10542
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Which is organic flux?
A
Hydrochloric acid
B
Zinc chloride
C
Ammonium chloride
D
Tallow
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