Building Materials Which of the following metamorphic rocks has the most weather resisting characteristics? Marble Quartzite Slate Lime stone Marble Quartzite Slate Lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 15% of cobalt 20% of cobalt 45% of cobalt 35% of cobalt 15% of cobalt 20% of cobalt 45% of cobalt 35% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials The coefficient of hardness of stones used in road work should be greater than 12 10 15 17 12 10 15 17 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 Open hearth process Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Medullary rays Cambium layer Annular rings Heart wood Medullary rays Cambium layer Annular rings Heart wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials After storage, the strength of cement Remains same May increase or decrease Decreases Increases Remains same May increase or decrease Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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