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Workshop Technology

Workshop Technology
Structural sections such as rails, angles, I-beams are made by

Hot drawing
Hot piercing
Hot rolling
Hot extrusion

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Workshop Technology
Green sand is a mixture of

50% sand and 50% clay
90% sand and 10% clay
30% sand and 70% clay
70% sand and 30% clay

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Workshop Technology
Which of the following material can be used for making patterns?

All of these
Wax
Lead
Aluminium

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Workshop Technology
A two high rolling mill consists of two rolls which rotate

At the same speed and in the same direction
At the same speed but in opposite direction
At different speeds and in the same direction
At different speeds and in the opposite direction

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

Flame hardening
Age hardening
Induction hardening
Work hardening

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Workshop Technology
When a hole or cavity to be cored is not in line with the parting surface, then a ________ is used.

Horizontal core
Balanced core
Vertical core
Drop core

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