Building Materials Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica 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 Basalt and marble are the only metamorphic rocks Quartz and mica are minerals Granite is the only igneous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 10 % 5 % 25 % 15 % 10 % 5 % 25 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength Only (i) Both (ii) and (iii) Only (ii) Both (i) and (ii) Only (i) Both (ii) and (iii) Only (ii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Defects caused by crushing fibres Splits radiating from the centre Signs of branches cut off Speckled strains Defects caused by crushing fibres Splits radiating from the centre Signs of branches cut off Speckled strains ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CO₂ and calcium H₂S and CO₂ Lime and H₂O CaSO4 and H₂O CO₂ and calcium H₂S and CO₂ Lime and H₂O CaSO4 and H₂O ANSWER DOWNLOAD EXAMIANS APP
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