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Casting Forming Welding Ii
Forming Basic
Quiz 1
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Q.1
Materials like lead (Pb) and tin (Sn) can be hot worked at room temperature.
a) True
b) False
Q.2
Hot working of brittle materials is not possible as they do not show yielding behaviour.
a) True
b) False
Q.3
In the hot working of materials, porosity may increase in the material rather than decrease.
a) True
b) False
Q.4
Hot working does not affect the properties like tensile strength, hardness etc. when the process is performed properly.
a) True
b) False
Q.5
In hot working of material, the continuous reformation of grains can be possible in material.
a) True
b) False
Q.6
In cold working, larger deformation can be obtained more rapidly than that obtained by the hot working.
a) True
b) False
Q.7
The surface finish obtained by cold working is better than that achieved by the hot working of material.
a) True
b) False
Q.8
In the hot working of steel material, steel metal may lose its strength due to carbon loss.
a) True
b) False
Q.9
The hot working process is mainly used for achieving the high dimensional accuracy of the metal.
a) True
b) False
Q.10
The cold working of material facilitates its cutting operation due to a decrease in its ductility.
a) True
b) False
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