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Workshop Technology

Workshop Technology
Cold working of metal increases

Hardness
All of these
Yield strength
Tensile strength

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Workshop Technology
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

Sand wash
Scab
Shift
Swell

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

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

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Workshop Technology
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Extrusion
Cold heading
Hot piercing
Cold peening

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Workshop Technology
The machining allowance provided on patterns depends upon

All of these
Method of casting used
Type of casting metal
Size and shape of casting

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Workshop Technology
The metal extrusion process is generally used for producing

Varying solid and hollow sections
Uniform hollow sections
Uniform solid sections
Uniform solid and hollow sections

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