Question

(a) Machines are oiled from time to time. give a suitable reason...!​

Answer 1

to prevent iron parts them from rusting.

e. g. cycle chains are oiled time to time so that they can work efficiently.

Answer 2

Answer:

Answer. machine are oiled from time to time so that the devices inside it and mechanical part inside it get lubricant and this will also help machine to work smoothly and efficiently.

thank you.