Question

Q.NO.5 Lubricant is used to reduce friction in
(tick the correct option)
b. clothes
a. medicines
d. utensils
c. engines​

Answer 1

Answer:

c) engines

Explanation:

Lubrication reduces the heat generated when two surfaces are in motion. It smoothes the process by forming a film between two surfaces that reduces friction and thus improves performance and efficiency.

Answer 2

Answer:

d. engines

Explanation:

mainly parts of engines to prevent ther wear and tear due to friction between them.