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Workshop Technology

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

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

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

Oxidizing
Neutral
None of the listed here
Carburising

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Workshop Technology
The chisel used for cutting key ways is

Cape chisel
Flat chisel
Diamond pointed chisel
Round nose chisel

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Workshop Technology
Aluminium is the best material for making patterns because it is

All of the listed here
Easy to work
Corrosion resistant
Light in weight

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Workshop Technology
During cold working process

Grain structure is distorted
Strength and hardness of metal increases
All of the listed here
Close dimensional tolerance can be maintained

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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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