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Questions and Answers
Sand-lime bricks require sand, lime, water, and clay as raw materials.
Sand-lime bricks require sand, lime, water, and clay as raw materials.
False (B)
The sand used in sand-lime bricks must contain at least 70% silica and be well graded between 0.5-5mm.
The sand used in sand-lime bricks must contain at least 70% silica and be well graded between 0.5-5mm.
False (B)
The percentage of lime in sand-lime bricks should be between 9-15% of the weight of the sand.
The percentage of lime in sand-lime bricks should be between 9-15% of the weight of the sand.
True (A)
The lime used in sand-lime bricks should have an activity of at least 80%.
The lime used in sand-lime bricks should have an activity of at least 80%.
Water used in sand-lime bricks needs to meet specific quality requirements, including being fit for drinking.
Water used in sand-lime bricks needs to meet specific quality requirements, including being fit for drinking.
Sand-lime bricks undergo the autoclaving process to speed up the interaction between clay and sand.
Sand-lime bricks undergo the autoclaving process to speed up the interaction between clay and sand.
Sand-lime bricks are suitable for ornamental work due to their color and texture uniformity.
Sand-lime bricks are suitable for ornamental work due to their color and texture uniformity.
The compressive strength of sand-lime bricks is approximately 5N/mm2.
The compressive strength of sand-lime bricks is approximately 5N/mm2.
Calcium silicate bricks are more economical than clay bricks when clay is readily available.
Calcium silicate bricks are more economical than clay bricks when clay is readily available.
Calcium silicate bricks are suitable for building furnaces due to their high fire resistance.
Calcium silicate bricks are suitable for building furnaces due to their high fire resistance.
