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Refrigeration and Air Conditioning Technician
WELDING
Set 3
Set 3
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Q10334
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Which is the welding method if the filler rod only is fused?
A
Non fusion
B
Pressure
C
Fusion
D
Forge
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Which material is used to make electrode holder for welding?
A
Steel
B
Cast iron
C
Cast iron
D
Copper alloy
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Which flame is used for welding brass?
A
Wide flame
B
Neutral flame
C
Oxidising flame
D
Carburising flame
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Which gas is produced by the chemical reaction of carbide and water?
A
Oxygen
B
Nitrogen
C
Acetylene
D
Carbon dioxide
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What is the ratio of oxygen to acetylene in neutral flame for brazing?
A
01:03
B
02:01
C
01:01
D
01:02
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