A first class brick when immersed in cold water for 24 hours should not absorb water more than
A. 15%
B. 20%
C. 22%
D. 25%
Answer: Option B
Solution (By Examveda Team)
A first-class brick is characterized by its high quality and durability.It is required that when such a brick is immersed in cold water for 24 hours, it should not absorb water more than 20% of its dry weight.
This specification ensures the brick has good strength and resistance to weathering.
Hence, the correct answer is Option B: 20%.
This Question Belongs to Civil Engineering >> Building Materials
1st Class brick → 20%
2nd Class brick → 22%
3rd Class brick→ 25%
According to Nepal standard option A is best answer
for 1st class brick-(10-15)% and for 2nd class brick-(16-20)%