| 1. | The value of bulk density of the aggregate depends upon ? | |
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size distribution of aggregate
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shape of aggregate
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specific gravity of aggregate
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all of these
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Report Question| 2. | The resistance of an aggregate to compressive forces is known as ? | |
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crushing value
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impact value
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abrasion value
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none of these
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| 3. | The concrete in which no preliminary tests are performed for designing the mix is called ? | |
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rich concrete
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controlled concrete
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lean concrete
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all the seven grades of concrete mix
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| 4. | The rule of water cement ratio was established by ? | |
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Duff Abram
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Plowman
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W. Simms
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Dr. Karl Terzaghi
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| 5. | The resistance of an aggregate to the effect of hydration of cement and weather is called ? | |
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crushing value
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impact value
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abrasion value
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soundness
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| 6. | The aggregates of ............... shape have minimum voids ? | |
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irregular
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angular
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rounded
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flaky
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| 7. | The phenomenon by virtue of which the cement does not undergo large change in volume treated with water, is known as ? | |
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fineness
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soundness
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setting time
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none of these
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| 8. | The maximum quantity of aggregate per 50 kg of cement should not exceed ? | |
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100 kg
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200 kg
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350 kg
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450 kg
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| 9. | Lime when added in excess quantity ? | |
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makes the cement unsound
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causes the cement to expand and disintegrate
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lowers the clinkering temperature of cement
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both (a) and (b)
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| 10. | The light-weight concrete is prepared by ? | |
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mixing Portland cement with sawdust in specified proportion in the concrete
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using coke-breeze, cinder or slag as aggregate in the concrete
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mixing aluminium in the concrete
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none of the above
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