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Workshop Technology

Workshop Technology
In average work, the tolerance produced by investment casting method is

±0.05 mm
+0.2 mm
+05 mm
+1 mm

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

Blanking
Punching
Piercing
Shearing

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Workshop Technology
In sheet metal blanking, shear is provided on punches and dies so that

Good cut edge is obtained
Cut blanks is straight
Warping of sheet is minimized
Press load is reduced

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Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Cold shuts
Swell
Blow holes
Shift

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Workshop Technology
A sand employed on the faces of the pattern before moulding, is called

Loam sand
Green sand
Parting sand
Dry sand

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Workshop Technology
The width of slot cut by a hacksaw blade is ___ the width of the blade.

Equal to
Greater than
None of the listed here
Less than

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