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Workshop Technology

Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Blow holes
Shift
Cold shuts
Swell

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Workshop Technology
Loam sand is a mixture of

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

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Workshop Technology
The casting method adopted for ornaments and toys of nonferrous alloys, is

Slush casting
Permanent mould casting
Die casting
Centrifugal casting

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Workshop Technology
Which of the following welding method uses a pool of molten metal?

MIG arc welding
Submerged arc welding
Carbon arc welding
TIG arc welding

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Workshop Technology
In a bilateral system of tolerance, the tolerance is allowed on

One side of the actual size
One side of the nominal size
Both sides of the nominal size
Both sides of the actual size

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Workshop Technology
In a centrifugal casting method

No core is used
Core is made of nonferrous metal
Core is made of sand
Core is made of ferrous metal

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