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Plumber
WELDING
Set 5
Set 5
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Q10548
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What size of nozzle number is used to weld 5mm thick plate?
A
Nozzle size no 7
B
Nozzle size no 10
C
Nozzle size no 13
D
Nozzle size no 18
Q10549
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What is the diameter of filler rod used to weld 2.5mm thick mild steel by leftward technique?
A
1.6mm
B
2.0mm
C
2.5mm
D
3.15mm
Q10550
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What size of thickness metal used only in rightward technique?
A
1.6mm
B
2.0mm
C
3.15mm
D
6.03mm
Q10551
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What type of solder is used for soldering in heavy (thick) metals?
A
Soft solder
B
Hard solder
C
Coarse solder
D
Fine solder
Q10552
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What is the alloy of soft solder?
A
Lead and copper
B
Lead and bronze
C
Lead and silver
D
Lead and tin
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