| 1. | For one cubic metre of brick masonry, the number of bricks required are ? | |
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550
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400
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450
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500
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Report Question| 2. | A good building stone is one which does not absorb more than .................of its weight of later after one day's immersion ? | |
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25%
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15%
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5%
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10%
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| 3. | The lime mortar is made from ? | |
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lean lime
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hydraulic lime
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quick lime
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fat lime
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| 4. | The strength of white cement is ....... that of ordinary cement. ? | |
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greater than
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equal to
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less than
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anywhere
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| 5. | The rate of hydration and hydrolysis of cement depends upon its ? | |
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tensile strength
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soundness
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setting time
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fineness
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| 6. | The average out-turn of first class bricks in kiln burning is ? | |
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80 to 90%
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50 to 60%
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70 to 80%
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60 to 70%
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| 7. | Which of the following is an example of agrillaceous rock ? | |
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Laterite
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Kaolin
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Slate
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all of these
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| 8. | The frog of a brick is normally made on its ? | |
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shorter face
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longer face
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top face
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bottom face
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| 9. | The shrinkage of concrete ? | |
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is proportional to contents of cement
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increases with increase in the percentage of concrete
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is directly proportional to water contents at the time of mixing
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all of the above
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| 10. | A good quality cement should have higher percentage of ? | |
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tri-calcium silicate
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silica
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free lime
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di-calcium silicate
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