Multiple Choice Questions On Manufacturing Process and Production Engineering
41. Injection moulding is the ideal method of processing.......
A.Plastics
B.Thermo-setting plastics
C.Thermoplastics
D.Non-ferrous materials
E.All of the above
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B.Thermo-setting plastics
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42. Compression moulding is the ideal method of processing.......
A.Plastics
B.Thermo-setting plastics
C.Thermoplastics
D.Non-ferrous materials
E.All of the above
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43. In drawing operation the metal flows due to.........
A.Ductility
B.Work hardening
C.Plasticity
D.Shearing
E.Yielding
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44. Long wires are made by following process......
A.Extrusion
B.Rolling
C.Piercing
D.Drawing
E.None of the above
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45. Flange wrinkling is the defect found in.......
A.Blanking
B.Spinning
C.Bending
D.Cold rolling
E.Deep drawing
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