358. Swaging is the operation
A.In which the edges of sheet are turned over to provide stiffness and a smooth edge
B.Of producing contours in sheet metal and of bending previously roll formed sections
C.In which a series of impact blows are transferred on dies so that solid or tubular work changes in cross-section or geometric shape
D.Employed to expand a tubular or cylindrical part

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359. Trimming is the process associated with
A.Press work
B.Forging
C.Polishing of metals
D.Electroplating

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360. The ductility of a material with work hardening,
A.Increases
B.Decreases
C.Remains unaffected
D.May increase/decrease depending on its tensile strength

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361. Blanking and piercing operation can be performed simultaneously in
A.Simple die
B.Progressive die
C.Compound die
D.Combination die

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362. In progressive dies
A.Two or more cutting operations can be performed simultaneously
B.Cutting and formation operations are combined and carried out in single operation
C.Workpiece moves from one station to other with separate operation performed at each station
D.All of the above

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363. Cutting and forming operations can be done in a single operation on
A.Simple die
B.Progressive die
C.Compound die
D.Combination die

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364. Stretch forming is the operation
A.In which the edges of sheet are turned over to provide stiffness and a smooth edge
B.Of producing contours in sheet metal and of bending previously roll formed sections
C.In which a series of impact blows rare transferred on dies so that solid or tubular work changes in cross-section or geometric shape
D.Employed to expand a tubular or cylindrical part

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