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Workshop Technology

Workshop Technology
The parts of circular cross-section which are symmetrical about the axis of rotation are made by

Hot forging
Hot extrusion
Hot spinning
Hot drawing

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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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Workshop Technology
V-block is used to

Check the trueness of flat surfaces
None of these
Locate centres of round rods
Check the surface roughness

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Workshop Technology
In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.

Combination die
Simple die
Compound die
Progressive die

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Workshop Technology
The upsetting is a process of

Joining the two surfaces of metal under pressure after heating
Bending of a bar
Reducing the cross-section of a bar
Increasing the cross-section of a bar

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Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

Either (A) or (B)
Argon gas
None of these
Helium gas

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