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Workshop Technology

Workshop Technology
Cast iron and steel pipes are produced by

True centrifugal casting
Slush casting
Die casting
Investment casting

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Workshop Technology
In order to deliver molten metal from pouring basin to gate, a ________ is used.

Sprue
None of these
Riser
Core

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Workshop Technology
V-block is used to

Check the surface roughness
Locate centres of round rods
None of these
Check the trueness of flat surfaces

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Workshop Technology
During cold working process

Grain structure is distorted
Strength and hardness of metal increases
All of the listed here
Close dimensional tolerance can be maintained

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Workshop Technology
A pattern maker's shrinkage rule considers

Only shrinkage allowance
All materials of the pattern
All materials to be cast
All pattern allowances

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Workshop Technology
The maximum flame temperature occurs

Between the outer and inner cone
At the torch tip
At the outer cone
At the inner cone

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