Building Materials The age of a tree can be known by examining Medullary rays Heart wood Annular rings Cambium layer Medullary rays Heart wood Annular rings Cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Forms carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strength (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Slate Basalt Pumice Granite Slate Basalt Pumice Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Commonly used thinner in All listed here Oil paints, is naphtha Lacquer paints, is alcohol Cellulose paints is ethyl acetate All listed here Oil paints, is naphtha Lacquer paints, is alcohol Cellulose paints is ethyl acetate ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 25 % 10 % 20 % 15 % 25 % 10 % 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP