A first class brick when immersed in cold water for 24 hours should not absorb water(by weight) more than
Consider the following stages in the manufacturing Of bricks:
1. Weathering
2. Moulding
3. Tempering
The correct sequence of these stages in the manufacturing of the bricks, is
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The percentage of alumina in a good brick earth lies between
Percentage of silica in a good brick earth lies between
Which of the following ingredients of the brick earth enables the brick to retain its shape?
Consider the following statements:
A good soil for making bricks should contain
1. About 30% alumina
2. About 10% lime nodules
3. Small quantity of iron oxide
4. About 15% magnesia
Which of these statements are correct
Match List-l with List-ll and select the correct answer by using the codes given below the list:
31 docs|280 tests
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31 docs|280 tests
|