Manufacturing And Production Technology
Shrinkage allowance on pattern is provided to compensate for shrinkage when

The temperature of solid phase drops from freezing to room temperature
The metal changes from liquid to solid state at freezing temperature
The temperature of liquid metal drops from pouring to freezing temperature
The temperature of metal drops from pouring to room temperature

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

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

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