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Workshop Technology

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

Age hardening
Flame hardening
Induction hardening
Work hardening

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Workshop Technology
In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to

3d
d
1.5 d
6d

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Workshop Technology
The chisel used for cutting key ways is

Round nose chisel
Flat chisel
Diamond pointed chisel
Cape chisel

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Workshop Technology
For welding plates of thickness more than 12.5 mm, its edges

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

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Workshop Technology
Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes?

Rolling
Extrusion
Drawing
Extrusion and rolling

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Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

None of these
Helium gas
Argon gas
Either (A) or (B)

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