The expansion of cement should not exceed

A good quality cement should have higher percentage of

Gypsum is added in the manufacture of Portland cement in order to

Moorum is a decomposed laterite and has deep brown or red colour.

Quick lime on reaction with water gives

For R.C.C. construction, the maximum size of coarse aggregate is limited to

The average out-turn of first class bricks in clamp burning is about

The initial setting time of rapid hardening cement should not be less than

A limestone containing about 30% of alumina and silica is called