Building Materials Addition of pozzolana to ordinary Portland cement increases Bleeding Shrinkage Permeability Heat of hydration Bleeding Shrinkage Permeability Heat of hydration 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 Bessemer process Crucible process Open hearth process Cementation process Bessemer process Crucible process Open hearth process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to White cast iron Grey cast iron Mottled cast iron Toughed cast iron White cast iron Grey cast iron Mottled cast iron Toughed cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks in which argil (or clay) predominates, are called Argillaceous rocks Calcareous rocks Siliceous rocks Igneous rocks Argillaceous rocks Calcareous rocks Siliceous rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Pumice Basalt Granite Slate Pumice Basalt Granite Slate ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of Less than one year More than 10 years 1 to 5 years 5 to 10 years Less than one year More than 10 years 1 to 5 years 5 to 10 years ANSWER DOWNLOAD EXAMIANS APP
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