Building Materials Addition of pozzolana to ordinary Portland cement increases Permeability Heat of hydration Bleeding Shrinkage Permeability Heat of hydration Bleeding Shrinkage ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 15, 75, 10 75, 10, 15 10, 15, 75 10, 75, 15 15, 75, 10 75, 10, 15 10, 15, 75 10, 75, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Ultimate strength to cement is provided by Tetra calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is 90° 30° 45° 0° 90° 30° 45° 0° ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Bessemer pig Grey or foundry pig White or forge pig Mottled pig Bessemer pig Grey or foundry pig White or forge pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP