engineering recuitment BMC Sub Engineer Mock Test 2024 Construction Materials and Management Bricks and Mortar
Identify the INCORRECT statement with respect to constituents of good brick earth.
1
Magnesium in brick earth imparts a yellow tint to the brick.
2
Good brick earth should contain about 10% to 13% of Magnesia.
3
Alumina is responsible for plasticity characteristic of earth, which is important in moulding operation.
4
Good brick earth should contain about 20% to 30% of alumina.
5
None of the above