

Workshop Technology - Engineering
Q1: Rotary swagingA is extensively used for making bolts and rivets
B is used for reducing the diameters of round bars and tubes by rotating dies which open and close rapidly on the work
C is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
D consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
ANS:B - is used for reducing the diameters of round bars and tubes by rotating dies which open and close rapidly on the work Explanation: No answer description is available. |


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