Which of the following processes is used for the manufacturing of steel balls for ball bearings?
The mode of deformation of the metal during spinning is
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Two or more cutting operations are performed at one station of the press in every stroke of the ram in a
Blanking and drawing operations can be performed at one station of the press in the stroke of the ram in a
Which of the following processes is to be used for mass production of connecting rods of automobile engines?
In order to get uniform thickness of the plate by rolling process, one provides
Consider the following statements related to piercing and blanking:
1. Shear on the punch reduces the maximum cutting force.
2. Shear increases the capacity of the press needed.
3. Shear increases life of the punch.
4. The total energy needed to make the cut remains unaltered due to provision of shear.
Which of the abvoe statements are correct?
The process of putting a rod through several dies of decreasing diameter is known as
45 videos|314 tests
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45 videos|314 tests
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