Manufacturing And Production Technology
The example of snag grinding is

Trimming the surface left by spruces and risers on castings
Removing flash on forgings
Grinding the parting line left on castings
All of these

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Manufacturing And Production Technology
The primary purpose of a sprue in a casting mould is to

Feed the casting at a rate consistent with the rate of solidification
Help feed the casting until all solidification takes place
Feed molten metal from the pouring basin to the gate
Act as a reservoir for molten metal

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Manufacturing And Production Technology
Which of the following statement is correct regarding grinding of high carbon steel?

All of these
Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.
The grinding wheel has to be of open structure.
Aluminium oxide wheels are employed.

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