Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Bessemer process Open hearth process Cementation process Crucible process Bessemer process Open hearth process Cementation process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is(i) Slow in setting(ii) Rapid in slacking(iii) Good in strength Both (ii) and (iii) Only (i) Only (ii) Both (i) and (ii) Both (ii) and (iii) Only (i) Only (ii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 75, 10, 15 10, 15, 75 10, 75, 15 15, 75, 10 75, 10, 15 10, 15, 75 10, 75, 15 15, 75, 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A mortar joint in masonry which is normal to the face of wall is known as Cross joint Wall joint Bed joint Bonded joint Cross joint Wall joint Bed joint Bonded joint ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which contributes to the strength after two to three years is Tetra-calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of cement which is responsible for initial setting of cement is All of these dicalcium silicate tricalcium silicate tricalcium aluminate All of these dicalcium silicate tricalcium silicate tricalcium aluminate ANSWER DOWNLOAD EXAMIANS APP