Building Materials Gypsum is a Chemically precipitated sedimentary rock Metamorphic rock Igneous rock Mechanically formed sedimentary rock Chemically precipitated sedimentary rock Metamorphic rock Igneous rock Mechanically formed sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 60%, 40% 70%, 30% 50%, 50% 80%, 20% 60%, 40% 70%, 30% 50%, 50% 80%, 20% 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 Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cross cut saw is used for Cutting large blocks of stones Cutting soft stones Cutting hard stones Dressing stones Cutting large blocks of stones Cutting soft stones Cutting hard stones Dressing stones ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slump recommended for mass concrete is about 125 mm to 150 mm 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm ANSWER DOWNLOAD EXAMIANS APP