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Workshop Technology

Workshop Technology
A zinc diffusion process is called

Parkerising
Sherardizing
Galvanizing
Anodizing

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

Upsetting
Drawing down
Spinning
Peening

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Workshop Technology
Thermit, used in Thermit welding, is a mixture of

Charcoal and aluminium
Charcoal, iron oxide and aluminium
Charcoal and iron oxide
Iron oxide and aluminium

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Workshop Technology
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.

None of these
Same as
More than
Less than

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Workshop Technology
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is

10 litres
15 litres
5 litres
20 litres

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Workshop Technology
The operation of straightening a curved sheet metal, is known as

Planishing
Drawing
Squeezing
Coining

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