Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 10 % 20 % None of these 15 % 10 % 20 % None of these 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cement becomes unsound by the presence of excess Lime All of these Sulphur Magnesia Lime All of these Sulphur Magnesia ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Bessemer pig White or forge pig Grey or foundry pig Mottled pig Bessemer pig White or forge pig Grey or foundry pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Igneous rock Stratified rock Metamorphic rock Sedimentary rock Igneous rock Stratified rock Metamorphic rock Sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist Chemical action High temperature All listed here Dampness Chemical action High temperature All listed here Dampness ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood has the advantage of Same tensile strength in all directions Greater tensile strength in shorter direction None of these Greater tensile strength in longer direction Same tensile strength in all directions Greater tensile strength in shorter direction None of these Greater tensile strength in longer direction ANSWER DOWNLOAD EXAMIANS APP
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