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

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

43. In drawing operation the metal flows due to.........

   A.Ductility

   B.Work hardening

   C.Plasticity

   D.Shearing

   E.Yielding

44. Long wires are made by following process......

   A.Extrusion

   B.Rolling

   C.Piercing

   D.Drawing

   E.None of the above

45. Flange wrinkling is the defect found in.......

   A.Blanking

   B.Spinning

   C.Bending

   D.Cold rolling

   E.Deep drawing

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