Building Materials Geologically, marble is known as Metamorphic rock Sedimentary rock Igneous rock Stratified rock Metamorphic rock Sedimentary rock Igneous rock Stratified rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 20 % 15 % 5 % 10 % 20 % 15 % 5 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Alumina Magnesia Iron-oxide Lime Alumina Magnesia Iron-oxide Lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strength (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Increasing moisture content Increasing strength of timber None to these Decreasing moisture content Increasing moisture content Increasing strength of timber None to these Decreasing moisture content ANSWER DOWNLOAD EXAMIANS APP