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Workshop Technology

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

0.01 mm
0.025 mm
0.035 mm
0.06 mm

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Workshop Technology
Tandem drawing of wires and tubes is necessary because

Annealing is needed between stages
It is not possible to reduce at one stage
Surface finish improves after every drawing stage
Accuracy in dimensions is not possible otherwise

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Workshop Technology
When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.

Oxidizing
None of the listed here
Neutral
Carburising

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Workshop Technology
The process of decreasing the cross-section of a bar and increasing its length, is called

Upsetting
Peening
Spinning
Drawing down

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Workshop Technology
The metal extrusion process is generally used for producing

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

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

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

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