- Building Materials - Section 1
- Building Materials - Section 2
- Building Materials - Section 3
- Building Materials - Section 4
- Building Materials - Section 5
- Building Materials - Section 6
- Building Materials - Section 7
- Building Materials - Section 8


Building Materials - Engineering
Q1: 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.
ANS:E - All the above. Normally, bricks contain the following ingredients: |


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