Which one of the following is not a way to reduce friction...? Mcqs

PPSC Past Papers

Latest MCQs

Which one of the following is not a way to reduce friction...?

(A) Smooth and polishing surfaces

(B) Less contact area

(C) Oil and lubricants

(D) Ball bearing and rollers

Comments

Latest MCQs

Which of the following can be used to reduce friction between moving parts of machines...?

(A) Sand

(B) Grease

(C) Gears

(D) Screws

Comments

MCQs Categories

Best of Luck

From ShineGk.com

Share our website's link