Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 4 (Q.No. 23)
23.
The main ingredient of a good quality brick earth, is
magnesia
lime
silica
alumina.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
68 comments Page 2 of 7.

Emran said:   4 years ago
Yes, Alumina is correct. Agree with the given answer.
(1)

Sreemonta Saikia said:   4 years ago
Silica is the correct answer.
(1)

Dorna said:   4 years ago
Alumina is the main constituent of clay. It acts as a cementing material in raw brick. Brick clay is plastic due to the presence of alumina. This plasticity ensures that bricks can be molded. An excess amount of alumina in clay may cause the bricks to shrink, warp or crack on drying and burning as any other cementing material.
(5)

Nehra said:   5 years ago
Silica is the correct answer because strength is main function of brick.

Bisy said:   5 years ago
Alumina main constituent, silica major constituent.

Gaurav Gawande said:   5 years ago
I agree @Abhishek Kumar.

Puski said:   5 years ago
Silica is the right answer.

Timti said:   5 years ago
Alumina is the right answer.

Gaurav said:   5 years ago
Silica is the right answer.

Jei said:   5 years ago
@All.

They asked which is good quality brick earth, not a major ingredient. So alumina is a correct answer.


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