Multiple choice

Main function of the coolant is

  1. to keep the cutting tool & job cool, while cutting

  2. to increase the speed of machine

  3. to provide a slippery layer between moving parts

  4. to provide free movement to various parts of the machine

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Coolants serve two primary purposes: removing heat generated by friction during cutting and flushing away chips. This prevents the tool and workpiece from overheating.