Building Materials The compound of Portland cement which contributes to the strength after two to three years is Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra-calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra-calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called Igneous rocks Volcanic rocks Plutonic rocks Hypabyssal rocks Igneous rocks Volcanic rocks Plutonic rocks Hypabyssal rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sapwood consists of Portion of timber between heartwood and cambium layer Thin fibre which extends from the pith outwards and holds the annular rings together Innermost annular rings around the pith Thin layers below the bark Portion of timber between heartwood and cambium layer Thin fibre which extends from the pith outwards and holds the annular rings together Innermost annular rings around the pith Thin layers below the bark ANSWER DOWNLOAD EXAMIANS APP
Building Materials The tendency of a stone is, to split along: Structure Fracture Cleavage Texture Structure Fracture Cleavage Texture ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quartzite is a Argillaceous rock Metamorphic rock Calcareous rock Siliceous rock Argillaceous rock Metamorphic rock Calcareous rock Siliceous rock ANSWER DOWNLOAD EXAMIANS APP
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