Paints with white lead base are suitable for painting of

Pick up the correct statement from the following:

As per IS specifications, the maximum final setting time for ordinary Portland cement should be

For sanitary pipes and chemical stonewares,

Durability of building stone is affected by its

Le-Chatelier's device is used for determining the

Manganese steels

Wrought iron is used for

Early attainment of strength in rapid hardening cement is mainly due to