Q72
Which one of the following is the reason that tap water is not preferred as coolant on machine tools?
A.
It decreases cutting action of the tool
B.
Danger of corrosion
C.
It has insufficient cooling effect
D.
Due to high cooling effect the cutting edges of tool break off
AnswerAnswer: Option D
Solution
Answer: Option D
No explanation is given for this question Let's Discuss on Board