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Workshop Technology

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

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

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Workshop Technology
The adhesiveness is the property of sand due to which

None of these
It evolves a great amount of steam and other gases
It clings to the sides of a moulding box
The sand grains stick together

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Workshop Technology
Seam welding is a

Arc welding process
Multi-spot welding process
Continuous spot welding process
Process used for joining round bars

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Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Increasing the hardness of die
Grinding the cutting edges sharp
Providing shear on tool
Increasing the hardness of tool

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Workshop Technology
The brass and bronze are welded by _________ flame.

Carburising
Oxidizing
All of these
Neutral

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Workshop Technology
A casting defect which results in general enlargement of a casting is known as

Shift
Scab
Sand wash
Swell

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