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Workshop Technology

Workshop Technology
The oxyacetylene gas used in gas welding produce a flame temperature of

2400°C
2100°C
1800°C
3200°C

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

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Workshop Technology
The upsetting is a process of

Reducing the cross-section of a bar
Bending of a bar
Increasing the cross-section of a bar
Joining the two surfaces of metal under pressure after heating

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Workshop Technology
The width of slot cut by a hacksaw blade is ___ the width of the blade.

Greater than
Equal to
None of the listed here
Less than

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Workshop Technology
When the file is moved to and fro over the work, it is known as

None of these
Cross filing
Draw filing
Pull and push filing

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

Same
None of the listed here
Less
More

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