building materials mcqs part 3

Course: building materials mcqs — Practice MCQs, solutions, formulas & past entrance questions.

Chapter:

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1. A first class brick should not absorb water more than


2. Which of following is an example of silicious rock?


3. Which of following statement is correct?


4. Excess of silica in clay


5. The commonly base used in a paint is


6. The rocks formed due to alteration of original structure under heat and excessive pressure are called metamorphic rocks.


7. The good clay for making bricks is


8. The lime which contains more than 30% of clayey impurities in form of silica, alumina and iron oxide, is known as


9. A limestone containing about 30% of alumina and silica is called


10. The bricks should be burnt at temperature from


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