Building Materials The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: Wind cracks Twisted fibres Radial shakes Heart shakes Wind cracks Twisted fibres Radial shakes Heart shakes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% All listed here Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 70%, 30% 50%, 50% 60%, 40% 80%, 20% 70%, 30% 50%, 50% 60%, 40% 80%, 20% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most important tool in brick laying for lifting and spreading mortar and for forming joints is Bolster Scutch Trowel Square Bolster Scutch Trowel Square ANSWER DOWNLOAD EXAMIANS APP
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. (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting of cement is caused due to Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
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