Mechanical Engineering - Workshop Technology - Discussion

36. 

The machining allowance provided on patterns depends upon

[A]. type of casting metal
[B]. size and shape of casting
[C]. method of casting used
[D]. all of these

Answer: Option D

Explanation:

No answer description available for this question.

S. Ata said: (Jan 11, 2018)  
Machining or finish allowances are therefore added in the pattern dimension. The amount of machining allowance to be provided for is affected by the method of moulding and casting used viz. Hand moulding or machine moulding, sand casting or metal mould casting.

It depends on the how much precision we need in the final job.

I think No option is correct.

Ram Babu said: (Oct 27, 2018)  
What is a machining allowance? Please explain me.

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