Building Materials Study the following statements.(i) Hydraulic lime is suitable for white washing,(ii) Fat lime is suitable for whitewashing,(iii) Hydraulic lime is suitable for making mortar,(iv) Fat lime is suitable for making mortar. (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 0.5% to 1.75% 0.1% to 0.25% None to these 1.5% to 5.5% 0.5% to 1.75% 0.1% to 0.25% None to these 1.5% to 5.5% ANSWER DOWNLOAD EXAMIANS APP
Building Materials 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 Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials A stone is rejected if it absorbs water more than 20 % 5 % 15 % 10 % 20 % 5 % 15 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Due to attack of dry rot, the timber None of these Reduces to powder Shrinks Cracks None of these Reduces to powder Shrinks Cracks ANSWER DOWNLOAD EXAMIANS APP