Question: The maximum amount of dust which may be permitted in aggregates is
Options
A : 5% of the total aggregates for low workability with a coarse grading
B : 10% of the total aggregates for low workability with a fine grading
C : 20% of the total aggregates for a mix having high workability with fine grading
D : all the above.
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The risk of segregation is more for
After casting, an ordinary cement concrete on drying
Hydration of cement is due to chemical action of water....
To obtain cement dry powder, lime stones and shales or....
The standard sand now a days used in India, is....
The bulk density of aggregates does not depend upon :
While compacting the concrete by a mechanical vibrator, the slump....
An aggregate is said to be flaky if its least....
The increased cohesiveness of concrete, makes it
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