If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

Cast iron

Dorry's testing machine is used for

A rock contains only one mineral. It is called

Minimum required water cement ratio for a workable concrete, is

Mastic asphalt is normally used for

Pick up the correct statement from the following:

Which one of the following is acid resistant asbestos:

The material generally not used as extender in paints, is