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Workshop Technology

Workshop Technology
The cold chisels are made from

Cast tool steel
Mild steel
High speed steel
Cast iron

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Workshop Technology
The parts of circular cross-section which are symmetrical about the axis of rotation are made by

Hot forging
Hot drawing
Hot spinning
Hot extrusion

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Workshop Technology
For gas welding, the pressure desired at the welding torch for oxygen is

70 to 280 kN/m²
560 to 840 kN/m²
280 to 560 kN/m²
7 to 103 kN/m²

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Workshop Technology
The centrifugal casting method, is used for casting articles of

Nonferrous metal only
Symmetrical shape about horizontal axis
Irregular shape
Symmetrical shape about vertical axis

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

Spinning
Upsetting
Peening
Drawing down

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Workshop Technology
V-block is used to

Check the surface roughness
Check the trueness of flat surfaces
None of these
Locate centres of round rods

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