The shuttering of a hall measuring 4m × 5m, can be removed after

Too wet concrete may cause

In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials is burnt at a temperature …

The aggregate is said to be flaky when

Workability of concrete mix with low water cement ratio is determined by

The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is

For soundness test of cement we use

After 28 days concrete acquires