Building Materials Excess of silica in brick earth results in loss of cohesion enhancing the impermeability of bricks cracking and warping of bricks None of these loss of cohesion enhancing the impermeability of bricks cracking and warping of bricks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials After storage, the strength of cement Increases May increase or decrease Remains same Decreases Increases May increase or decrease Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of cement which is responsible for initial setting of cement is tricalcium silicate All of these tricalcium aluminate dicalcium silicate tricalcium silicate All of these tricalcium aluminate dicalcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Granite Slate Basalt Pumice Granite Slate Basalt Pumice ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica All listed here Not more than 5% of lime About 20% to 30% of alumina About 50% to 60% of silica All listed here Not more than 5% of lime About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Second class bricks Produce a metallic sound when struck Are of dark brown color Are well burnt Are under burnt Produce a metallic sound when struck Are of dark brown color Are well burnt Are under burnt ANSWER DOWNLOAD EXAMIANS APP
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