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Workshop Technology

Workshop Technology
The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called

Punching
Piercing
Shearing
Blanking

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Workshop Technology
In order to produce uniform packing of sand in the moulds, a _________ is used.

Jolt machine
Squeezing machine
Sand slinger
Stripper plate machine

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Workshop Technology
During drawing operation, the states of stress in cup would include

None of these
Tensile stress in the wall
Both (A) and (B)
Compressive stress in the flange

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Workshop Technology
The maximum flame temperature occurs

Between the outer and inner cone
At the outer cone
At the torch tip
At the inner cone

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Workshop Technology
A basic hole is one whose

Upper deviation is zero
None of these
Lower deviation is zero
Lower and upper deviations are zero

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Workshop Technology
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

20 mm/m
26 mm/m
10 mm/m
16 mm/m

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