Q. Among the tests for bricks,which test is done with the help of finger nail?
Solution:
- Tests on bricks are conducted at construction site as well as in laboratory.
- A good brick should resist scratches against sharp things.
- So, for this test a sharp tool or finger nail is used to make scratch on brick.
- If there is no scratch impression on brick then it is said to be hard brick.
- Hence Hardness test is the correct answer.
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