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Workshop Technology

Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

48 mm
44 mm
42 mm
46 mm

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

Cold shuts
Blow holes
Shift
Swell

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Workshop Technology
A pattern maker's shrinkage rule considers

All materials to be cast
All materials of the pattern
All pattern allowances
Only shrinkage allowance

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Workshop Technology
The metal extrusion process is generally used for producing

Varying solid and hollow sections
Uniform hollow sections
Uniform solid and hollow sections
Uniform solid sections

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Workshop Technology
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.

Less
None of these
Same
More

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Workshop Technology
In welding copper alloys with TIG arc welding

Direct current with reversed polarity is used
Alternating current is used
Direct current with straight polarity is used
Any one of the listed here

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