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Workshop Technology

Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

40°-50°
30°-40°
60°-70°
50°-60°

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Workshop Technology
The directional solidification in casting can be improved by using

Chills, chaplets and padding
Chills and chaplets
Chills and padding
Chaplets and padding

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Workshop Technology
A casting defect which results in general enlargement of a casting is known as

Swell
Sand wash
Shift
Scab

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Workshop Technology
Which of the following material can be used for making patterns?

All of these
Lead
Wax
Aluminium

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Workshop Technology
In a ___, the molten metal is poured and allowed to solidify while the mould is revolving.

Permanent mould casting method
Die casting method
Slush casting method
Centrifugal casting method

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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
5 litres
15 litres

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