Question

A scratch is made on the surface of the brick. In a good brick, no impression will be left on the surface. This process of testing of bricks is called as

• A. Efflorescence
• B. Hardness
• C. Wetness
• D. Dimensional tolerance

Hint:

- Hardness is a primary indicator of brick durability.

Answer 1

The Correct Option is B

Step 1: Understanding brick hardness test. - A good quality brick should resist scratches made by hard objects like steel. Step 2: Selecting the correct test. - The hardness test checks whether bricks leave no scratch marks. Thus, the correct answer is (B) Hardness.