Question

Why are oils and grease used in machinery?

Answer 1

QUESTION -

Why are oils and grease used in machinery?

ANSWER -

Oils and grease used in machinery to reduce the Friction of machinery.

The other ways to reduce friction :-

i)Lubricating the surface

ii)Polishing the surface

iii) Using wheels and ball bearings

iv)Stremling

Answer 2

Answer:

oil and grease are used in machinery inorder to reduce friction.