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Workshop Technology

Workshop Technology
The operation of bending a sheet of metal along a curved axis, is known as

Forming
Plunging
Notching
Slitting

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

40°-50°
60°-70°
50°-60°
30°-40°

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Workshop Technology
Cores are used to

All of these
Improve mould surface
Form a part of a green sand mould
Form internal cavities in the casting

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Workshop Technology
In shielded arc welding

Welding rod coated with slag is used
None of the listed here
Welding rod coated with fluxing material is used
Large electrode is used

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Workshop Technology
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

Rubbing on wood
Using file card
Washing it with water
Washing it with dilute acid

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

Distortion allowance
Shrinkage allowance
Machining allowance
Draft allowance

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