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Workshop Technology

Workshop Technology
The shrinkage allowance for cast iron pattern is

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

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Workshop Technology
The metal patterns as compared to wooden patterns require less

Machining allowance
Shrinkage allowance
Draft allowance
Distortion allowance

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Workshop Technology
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as

Planishing
Coining
Squeezing
Drawing

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Workshop Technology
Scribing block is used to

Check the trueness of flat surfaces
Check the surface roughness
Hold the round bars during marking
Locate the centres of round bars

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Workshop Technology
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is

20 litres
10 litres
15 litres
5 litres

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Workshop Technology
Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes?

Extrusion and rolling
Rolling
Drawing
Extrusion

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