Silica in excess causes ____

Excess in lime causes ___

Which chemical compostion has highest content in OPC?

To determine the fineness of cement ____

What is the normal consistency for OPC?

After placing each layer in a slump cone, the concrete in the cone is tapped to remove remaining voids.

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…

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…