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Questions and Answers
What is the chief constituent of every kind of clay?
What is the chief constituent of every kind of clay?
- Silica
- Lime
- Sand
- Alumina (correct)
How does excess silica in brick earth affect the bricks?
How does excess silica in brick earth affect the bricks?
- Enhances plasticity
- Increases cohesion between particles
- Improves durability
- Makes bricks brittle (correct)
What percentage of alumina should a good brick earth contain?
What percentage of alumina should a good brick earth contain?
- 40 to 50 percent
- 20 to 30 percent (correct)
- 10 to 20 percent
- 30 to 40 percent
What is the role of lime in brick earth?
What is the role of lime in brick earth?
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What is the function of silica in brick earth?
What is the function of silica in brick earth?
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What is the effect of excess magnesia in brick earth?
What is the effect of excess magnesia in brick earth?
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What happens when there is an excess of lime in brick production?
What happens when there is an excess of lime in brick production?
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What is the purpose of weathering clay during the preparation of bricks?
What is the purpose of weathering clay during the preparation of bricks?
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Which type of mold is used for manufacturing bricks on a large scale?
Which type of mold is used for manufacturing bricks on a large scale?
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