Civil Engineering - Building Materials - Discussion

20. 

A good brick earth should contain :

[A]. about 20% to 30% of alumina
[B]. about 50% to 60% of silica
[C]. not more than 5% of lime
[D]. about 5 to 6% of oxide of lime
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

Jitesh Gakhare said: (Mar 11, 2018)  
In option D, it should be Oxide of iron not an oxide of lime.

Shivam said: (Sep 17, 2018)  
Yes, Right @Jitesh Gakhare.

Rukhsar Ghani said: (Dec 28, 2018)  
Option D) 5-6%oxide iron is the correct answer.

Gaurav said: (Jan 13, 2020)  
Brick CONSTITUENT- (TRICK).

SALIM.

S- SILICA.
A-ALUMINA.
L-LIME.
I-IRON OXIDE.
M-MAGNISIUM OXIDE.

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