Building Materials The stones obtained by blasting are used as Ballast in railways All listed here Aggregates for concrete Road metal Ballast in railways All listed here Aggregates for concrete Road metal ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains Lime (CaO) 45% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% Lime (CaO) 45% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 20 % 10 % 15 % 25 % 20 % 10 % 15 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called None to these Heart wood Cambium layer Sapwood None to these Heart wood Cambium layer Sapwood ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slacking of lime is affected by Crushing the lime lumps None of these Immersing the lime in water Keeping it exposed to air Crushing the lime lumps None of these Immersing the lime in water Keeping it exposed to air ANSWER DOWNLOAD EXAMIANS APP
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