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Higher Study | Production Engineering (Manufacturing) | Metal Forming

Which among the following metal is used for galvanization?
The operation in which oil is permeated into the pores of a powder metallurgy product is known as
Extrusion is the process of
In Die cutting operation, punching a number of holes in a sheet is called 
Bolt heads are manufactured by
The stress-strain curve for an ideally plastic material is (conventional symbols)
The process of coining is
The process of removing the burrs or flash from a forged component in drop forging is called
In wire drawing process, the bright shining surface on the wire is obtained if one
Collapsible tooth paste tubes are manufactured by
The process where the metal is allowed to flow in some pre-determined shape according to the design of die, by a compressive force or impact, is known as:
Consider the following statements pertaining to the open die forging of a cylindrical specimen between two flat dies: 1. Lubricated specimens show more surface movement than unlubricated ones. 2. Lubricated specimens show less surface movement than unlubricated ones. 3. Lubricated specimens show more barrelling than unlubricated ones. 4. Lubricated specimens show less barrelling than unlubricated ones. Which of these statements are correct?
Which process is shown in the figure?
A hole of diameter (d) is to be punched through a sheet metal of thickness (t). How much force is required to punch the hole if the ultimate shear stress of the sheet metal is (τ)?
In the deep drawing of cups, blanks show a tendency to wrinkle up around the periphery (flange). The most likely cause and remedy of the phenomenon are, respectively,
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