The general ratio of soluble oil and water used as coolant is 1:20.
2) The general ratio of soluble oil and water used as coolant is
Answer is:
1:20
Explanation:
Related Lubricants and Coolants MCQ - Machinist(Set-1) with Answers
Answer is:
Grease
Explanation:
The best example for semi-liquid lubricant is grease.
Answer is:
Wick feed lubricator
Explanation:
Best example for gravity feed lubrication is Wick feed lubricator.
Answer is:
Soluble oil
Explanation:
Most common type of cutting fluid used in almost all the machining operation is soluble oil.
Answer is:
The lowest temperature at which an oil gives off sufficient vapour to support a momentary flash without actually setting fire
Explanation:
Fire point is the lowest temperature at which an oil gives off sufficient vapor to support a momentary flash without actually setting fire.