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Workshop Technology

Workshop Technology
The increase in hardness due to cold working, is called

Work hardening
Induction hardening
Flame hardening
Age hardening

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

Upsetting
Spinning
Peening
Drawing down

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Workshop Technology
The oxygen cylinder is usually painted with

Maroon colour
Yellow colour
Black colour
White colour

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Workshop Technology
The maximum flame temperature occurs

At the inner cone
At the outer cone
At the torch tip
Between the outer and inner cone

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

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

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Workshop Technology
A ring gauge is used to

Test the accuracy of holes
Check the diameter of shafts or studs
Check the clearance between two mating surfaces
All of these

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