Q88
The cutting fluid mostly used for machining steel is
A.
Water
B.
Soluble oil
AnswerC.
Dry
D.
Heavy oils
Answer: Option B
Solution
Answer: Option B
Solution:
Soluble oil of the highest grade is used as a lubricant.
It is used in metalworking industries as a cutting fluid for aluminum.
For machining, tapping and drilling aluminum, it is superior to kerosene and various water-based cutting fluids.