How To Reduce Friction-Multiple Choice Questions Quiz

Interactive MCQs on the topic “how to reduce friction”

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Which of the following can reduce friction between two surfaces?

(a) Applying a lubricant
(b) Increasing the weight of one of the surfaces
(c) Increasing the roughness of one of the surfaces
(d) Heating up the surfaces

Question 2: Which of the following types of lubricants is best suited for high-temperature applications?

(a) Mineral oil
(b) Grease
(c) Synthetic oil
(d) Water

Question 3: Which of the following can reduce friction in a mechanical system?

(a) Using ball bearings
(b) Tightening the bolts
(c) Using a heavier motor
(d) Increasing the load on the system

Question 4: Which of the following can reduce friction in a liquid?

(a) Adding salt to the liquid
(b) Adding sugar to the liquid
(c) Adding a surfactant to the liquid
(d) Adding a solid to the liquid

Question 5: Which of the following materials has the lowest coefficient of friction?

(a) Steel
(b) Rubber
(c) Ice
(d) Sandpaper

Question 6: Which of the following is a common method to reduce friction in mechanical systems?

(a) Increasing the weight of the system
(b) Tightening the bolts and screws
(c) Adding more lubricant
(d) Increasing the surface roughness

Question 7: Which of the following can reduce friction in air?

(a) Increasing the temperature of the air
(b) Increasing the humidity of the air
(c) Reducing the pressure of the air
(d) Increasing the speed of the air

Question 8: Which of the following types of lubricants is suitable for high-speed and high-temperature applications?

(a) Mineral oil
(b) Synthetic oil
(c) Grease
(d) Water

Question 9: Which of the following materials has a low coefficient of friction?

(a) Steel
(b) Sandpaper
(c) Teflon
(d) Rubber

Question 10: Which of the following can reduce friction in liquid systems?

(a) Increasing the temperature of the liquid
(b) Adding more liquid to the system
(c) Using a thicker liquid
(d) Adding a surfactant to the liquid


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