Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 2 (Q.No. 47)
47.
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
10%
15%
20%
25%
5%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
36 comments Page 3 of 4.

Tulsi jeena said:   7 years ago
As per B.I.S.

3495-1992(1976) 15% is the correct answer.

Viper said:   7 years ago
Is it 15 or 20? Please explain the correct answer.

Vikash Kumar said:   7 years ago
For first class brick should not be more than 20%, for second class 22% and for third class 24%.

Abhik said:   7 years ago
First class =20.
Second class = 23.
Third class = 27.

Naren said:   8 years ago
Water absorption for 1st class brick is 12 to 15% but in no case exceed 20% so the answer is C.

Nilesh Pareta said:   8 years ago
15% of its dry weight.
20% of its saturated weight.

Nirmal sharma said:   8 years ago
First class brick water% 12 to 15.

Garry said:   8 years ago
Correct answer is 15% for the first class brick for second class it is up to 20%.

Amit sahota said:   8 years ago
Water absorption of bricks after 24 hours immersion,
First class bricks : 20%,
Second class bricks : 22 %,
Third class bricks : 25%.

Heavy duty machine made bricks should not absorb more than 5% of their weight.

Manish khatik said:   8 years ago
For first class brick water absorption 15% of its saturated weight & dry weight 20%.


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