Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 8 (Q.No. 22)
22.
Second class bricks
Discussion:
26 comments Page 1 of 3.
Rakesh Joshi said:
7 months ago
Second-class bricks are typically described as "well burnt" and produce a metallic sound when struck, meaning they are not "under burnt" despite potentially having a slightly rougher appearance and irregular edges compared to first-class bricks; they may be slightly darker in colour, but not necessarily "dark brown" across all variations.
Hamza said:
4 years ago
A class bricks produce metallic sound.
B class bricks are over burnt.
c class bricks are under burnt.
B class bricks are over burnt.
c class bricks are under burnt.
(1)
Abinash said:
4 years ago
D is absolutely wrong. 2nd class brick is slightly over burnt. So, option A is the correct answer.
(1)
Abdulmajid said:
4 years ago
First-class brick produces metallic sound and 2nd class brick produce full sound according to my concept D is the correct answer.
Elio said:
5 years ago
1st- gives metallic sound.
2nd- slightly over burnt or well burnt.
3rd- underburnt.
Jahma - Dark brown colour.
2nd- slightly over burnt or well burnt.
3rd- underburnt.
Jahma - Dark brown colour.
NITESH B.P.D said:
5 years ago
D is the right answer. I too agree.
Manojkumar said:
6 years ago
I think Option D is correct.
Khushi said:
6 years ago
I think given option is correct because in first class brick give Clear metallic sound when struck with each other.
Amit mishra said:
7 years ago
I think the answer is C because 1st and 2nd class bricks are well burnt.
Manish Thakur said:
7 years ago
B option is Correct.
First class and Second Class, both produce metallic ringing sound because of hardness property.
Second class brick is slightly over burnt.
Dark brown/bluish colour is of Jahma bricks.
First class and Second Class, both produce metallic ringing sound because of hardness property.
Second class brick is slightly over burnt.
Dark brown/bluish colour is of Jahma bricks.
(1)
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