Building Materials Addition of pozzolana to ordinary Portland cement increases Heat of hydration Permeability Bleeding Shrinkage Heat of hydration Permeability Bleeding Shrinkage ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 10 % 15 % 20 % 25 % 10 % 15 % 20 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For high grade instruments the steel preferred to, is Whitworth compressed steel Mild steel Cast steel Bessemer steel Whitworth compressed steel Mild steel Cast steel Bessemer steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Defects caused by crushing fibres Speckled strains Signs of branches cut off Splits radiating from the centre Defects caused by crushing fibres Speckled strains Signs of branches cut off Splits radiating from the centre ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace 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 Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of plywood, veneers are placed so that grains of adjacent veneers Run at right angles Inclined at 60° Parallel Inclined at 45° Run at right angles Inclined at 60° Parallel Inclined at 45° ANSWER DOWNLOAD EXAMIANS APP
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