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Workshop Technology

Workshop Technology
Most of the oxyacetylene welding is done with

Oxidizing flame
All of these
Carburising flame
Neutral flame

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Workshop Technology
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

None of these
Equal to
Larger than
Smaller than

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Workshop Technology
The property of sand due to which the sand grains stick together is called

Cohesiveness
Collapsibility
Permeability
Adhesiveness

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Workshop Technology
For welding plates of thickness less than 5 mm, its edges

Should have a double-V or U-groove on one side
Do not require bevelling
Should have a double-V or U-groove on both sides
Should be bevelled to a single-V or U-groove

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Workshop Technology
When the dimension is expressed as, then the tolerance is

0.06 mm
0.035 mm
0.01 mm
0.025 mm

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Workshop Technology
The metal is subjected to mechanical working for

All of these
Reducing original block into desired shape
Controlling the direction of flow lines
Refining grain size

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