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Workshop Technology

Workshop Technology
In die casting, machining allowance is

Not provided
Small
Very large
Large

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Workshop Technology
For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.

40
24
32
14

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Workshop Technology
Projection welding is a

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

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

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

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Workshop Technology
The advantage of Thermit welding is that

Results in a minimum problem with internal residual stresses
All parts of the weld section are molten at the same time
Weld cools almost uniformly
All of these

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Workshop Technology
The directional solidification in casting can be improved by using

Chills and chaplets
Chills and padding
Chaplets and padding
Chills, chaplets and padding

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