Which one of the following is the reason that tap water is not preferred as cool

MCQ Practice

Which one of the following is the reason that tap water is not preferred as coolant on machine tools?

Subject: Automobile EngineeringTopic: Cooling And Lubrication In Automobile

It decreases cutting action of the tool

Danger of corrosion

It has insufficient cooling effect

Due to high cooling effect the cutting edges of tool break off

Correct Answer: D