Building Materials The basic purpose of a retarder in concrete is To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sapwood consists of Portion of timber between heartwood and cambium layer Thin layers below the bark Innermost annular rings around the pith Thin fibre which extends from the pith outwards and holds the annular rings together Portion of timber between heartwood and cambium layer Thin layers below the bark Innermost annular rings around the pith Thin fibre which extends from the pith outwards and holds the annular rings together ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called Heart wood None to these Cambium layer Sapwood Heart wood None to these Cambium layer Sapwood ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains Silica (SiO2) 35% Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% All listed here Silica (SiO2) 35% Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most common admixture which is used to accelerate the initial set of concrete is Gypsum Calcium carbonate None of these Calcium chloride Gypsum Calcium carbonate None of these Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Annular rings Heart wood Medullary rays Cambium layer Annular rings Heart wood Medullary rays Cambium layer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS