To measure the concrete temperature, the stem of the thermometer must be kept by at least ___ inches of concrete.

For making cement paste, what is the amount of water we need?

If t1=Time at which water is first added to cement, t2=Time when needle fails to penetrate 5 mm to 7 mm from bottom of t…

To determine the fineness of cement ____

What is the initial setting time?

Standard consistency of cement is tested by _______

Silica in excess causes ____

Which cement is used for works economic where considerations is predominant? Reservoirs, retaining walls, swimming pool…