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

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

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Manufacturing And Production Technology
Which of the following statement is correct for oblique cutting system?

All of these
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge
Frequently, more than one cutting edges are in action
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool

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