Correct Answer - Option 4 : All of these
Explanation:
Cutting fluids and compounds are the substances used for efficient cutting while cutting operations take place.
The functions of cutting fluids are:
- To cool the tool as well as the workpiece
- To reduce the friction between the chip and the tool face by lubricating
- To prevent the chip from getting welded to the tool cutting edge
- To flush away chips
- To prevent corrosion of the work and the machine
- It reduces energy consumption.