Hardness -Multiple Choice Questions Quiz

Interactive MCQs on “Hardness”:

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: What is hardness in the context of materials?

(a) The ability of a material to resist deformation under applied force
(b) The ability of a material to conduct electricity
(c) The ability of a material to absorb heat without melting
(d) The ability of a material to be magnetized

Question 2: Which of the following hardness testing methods involves pressing a hard object into the material's surface to measure the indentation?

(a) Rockwell hardness test
(b) Brinell hardness test
(c) Vickers hardness test
(d) Mohs hardness test

Question 3: Which hardness scale is commonly used to measure the hardness of metals and alloys?

(a) Mohs scale
(b) Rockwell scale
(c) Vickers scale
(d) Shore scale

Question 4: Which hardness testing method uses a pyramid-shaped diamond indenter to make impressions?

(a) Brinell hardness test
(b) Shore hardness test
(c) Vickers hardness test
(d) Knoop hardness test

Question 5: Which hardness scale is used to rank minerals based on their scratch resistance?

(a) Rockwell scale
(b) Vickers scale
(c) Mohs scale
(d) Brinell scale

Question 6: Which of the following materials is known for its extreme hardness and is often used as an abrasive?

(a) Aluminum
(b) Copper
(c) Diamond
(d) Rubber

Question 7: Which hardness testing method uses a cone-shaped indenter to measure the hardness of hard materials?

(a) Knoop hardness test
(b) Vickers hardness test
(c) Rockwell hardness test
(d) Shore hardness test

Question 8: What is the advantage of the Rockwell hardness test over the Brinell hardness test?

(a) It requires a smaller indenter size.
(b) It can be used on irregularly shaped materials.
(c) It provides more accurate hardness measurements.
(d) It is faster and easier to perform.

Question 9: Which hardness testing method is suitable for measuring the hardness of rubber, plastics, and other soft materials?

(a) Vickers hardness test
(b) Rockwell hardness test
(c) Shore hardness test
(d) Knoop hardness test

Question 10: Which hardness testing method is used to measure the hardness of ceramics, glass, and other brittle materials?

(a) Vickers hardness test
(b) Brinell hardness test
(c) Rockwell hardness test
(d) Knoop hardness test