Mechanical Engineering - Workshop Technology - Discussion

44. 

A pattern maker's shrinkage rule considers

[A]. all pattern allowances
[B]. only shrinkage allowance
[C]. all materials to be cast
[D]. all materials of the pattern

Answer: Option B

Explanation:

No answer description available for this question.

Payel said: (Jan 30, 2018)  
What is shrinkage rule?

Disha said: (Jul 18, 2019)  
Different shrink rules are used for different material.

This oversized scale compensates shrinkage allowance, so one can measure the dimension as an ordinary ruler without worrying the contraction of the metal.

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