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FITTING 2 BASIC FITTING OPERATION
Set 3
Set 3
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Q10486
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Which punch is used to locate the centre of drill point?
A
Prick punch
B
Centre punch
C
Pin punch
D
Hollow punch
Q10487
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What is the formation on iron and steel caused by moisture and oxidation in atmospheric condition?
A
Scaling
B
Rusting
C
Pitting
D
Erosion
Q10488
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What is the formation deposited on pipes due to hardness of water?
A
Scaling
B
Rusting
C
Pitting
D
Erosion
Q10489
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What is the defect of slow and continuous degradation of metallic surface by chemical reaction?
A
Corrosion
B
Erosion
C
Lamination
D
Contraction
Q10490
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What is the wear of metal pipe surface caused by impact of particles suspended in liquid?
A
Scaling
B
Rusting
C
Erosion
D
Lamination
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