The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is

Mild steel is used for

If water required for 1 bag of cement is 30 litres, the water cement ratio is :

The minimum compressive strength of Ilnd class bricks should be

The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted …

During pudding

The rocks formed from molten magma, are called

Acrylic is the name of

Minimum required water cement ratio for a workable concrete, is