Building Materials Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica Basalt and marble are the only metamorphic rocks Quartz and mica are minerals Granite is the only igneous rock There is no sedimentary rock Basalt and marble are the only metamorphic rocks Quartz and mica are minerals Granite is the only igneous rock There is no sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 6 1 : 8 1 : 4 1 : 2 1 : 6 1 : 8 1 : 4 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick To crack and warp on drying Impermeable Brittle and weak To lose cohesion To crack and warp on drying Impermeable Brittle and weak To lose cohesion ANSWER DOWNLOAD EXAMIANS APP
Building Materials Manganese steels Possess low coefficient of expansion All listed here Are non-magnetic Possess high electrical resistance Possess low coefficient of expansion All listed here Are non-magnetic Possess high electrical resistance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is Fire proof Elastic All listed here Water proof Fire proof Elastic All listed here Water proof ANSWER DOWNLOAD EXAMIANS APP
Building Materials The normal curing period for lime mortar, is: 3 days 9 days 7 days 5 days 3 days 9 days 7 days 5 days ANSWER DOWNLOAD EXAMIANS APP