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Workshop Technology

Workshop Technology
The oxyacetylene gas used in gas welding produce a flame temperature of

3200°C
1800°C
2400°C
2100°C

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Workshop Technology
Green sand is a mixture of

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

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

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

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Workshop Technology
The cross-section of a chisel is usually

Square
Hexagonal
Octagonal
Rectangular

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Workshop Technology
The operation of cutting a sheet of metal in a straight line along the length, is known as

Forming
Notching
Slitting
Plunging

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Workshop Technology
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately

46 mm
42 mm
44 mm
48 mm

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