Main constituents of good brick earth is

Q. Main constituents of good brick earth is

A

Alumina

B

Lime

C

Iron oxide

D

Silica

Solution:

Brick earth is a type of soil that is ideal for making bricks.
Eventhough the main ingredient of brick is silica, the major constituent of good brick is Alumina.
Alumina acts as a cementing material in raw cement.
It prevents plasticity and makes brick harder.
Constituent of good brick earth is:
- Silica 50-60%
- Alumina 20-30%
- Lime 4-5%
- Iron oxide 5-6%
- Magnesia 1%

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