For the manufacture of stainless steel, steel is mixed with

A good brick earth should contain :

The steel used in R.C.C. work is

In the method of condensation polymerization,

Pick up the correct statement from the following:

The wedging is adopted for quarrying costly stratified rock such as

Bitumen paints offer

Duco is one of the patent forms of

Minimum required water cement ratio for a workable concrete, is