10 Questions
Sand-lime bricks require sand, lime, water, and clay as raw materials.
False
The sand used in sand-lime bricks must contain at least 70% silica and be well graded between 0.5-5mm.
False
The percentage of lime in sand-lime bricks should be between 9-15% of the weight of the sand.
True
The lime used in sand-lime bricks should have an activity of at least 80%.
False
Water used in sand-lime bricks needs to meet specific quality requirements, including being fit for drinking.
True
Sand-lime bricks undergo the autoclaving process to speed up the interaction between clay and sand.
False
Sand-lime bricks are suitable for ornamental work due to their color and texture uniformity.
True
The compressive strength of sand-lime bricks is approximately 5N/mm2.
False
Calcium silicate bricks are more economical than clay bricks when clay is readily available.
False
Calcium silicate bricks are suitable for building furnaces due to their high fire resistance.
False
Learn about the raw materials required for the manufacture of sand-lime bricks, including sand, lime, water, and pigment. Understand the mix proportion, with lime typically between 9-15% of the weight of sand, and the specific sand requirements based on Iraqi standard No.572.
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