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Workshop Technology

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

2100°C
2400°C
1800°C
3200°C

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Workshop Technology
The cutting edge of a chisel should be

Hardened and tempered
Tempered
Hardened
Case hardened

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Workshop Technology
A basic hole is one whose

Lower and upper deviations are zero
Lower deviation is zero
None of these
Upper deviation is zero

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

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

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Workshop Technology
In arc welding, the temperature of heat produced by the electric arc is of the order of

6000°C to 7000°C
4000°C to 5000°C
3000°C to 4000°C
5000°C to 6000°C

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Workshop Technology
The algebraic difference between the minimum limit and the basic size is called

Lower deviation
Upper deviation
Fundamental deviation
Actual deviation

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