Building Materials - Section 1

The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as

Pick up the correct  statement from the  following:

Vanadium steel is generally used for

Plastic

For filling cracks in masonry structures, the type of bitumen used, is

For melting one tonne of cast iron

The variety of pig iron used for the manufacture of steel by Bessemer process, is

Initial setting time of cement for asbestos cement products should be not less than