Building Materials During smelting process, the combination of fuel in the furnace Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide Forms carbon dioxide All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide Forms carbon dioxide All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Splits radiating from the centre Speckled strains Signs of branches cut off Defects caused by crushing fibres Splits radiating from the centre Speckled strains Signs of branches cut off Defects caused by crushing fibres ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Cambium layer Annular rings Heart wood Medullary rays Cambium layer Annular rings Heart wood Medullary rays ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following metamorphic rocks has the most weather resisting characteristics? Slate Marble Lime stone Quartzite Slate Marble Lime stone Quartzite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Acrylic sheets All of these Possess the light transmission rate of 93% Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Are generally unaffected by most household detergents All of these Possess the light transmission rate of 93% Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Are generally unaffected by most household detergents ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To paint its surface To make it water proof To increase its temperature To remove water To paint its surface To make it water proof To increase its temperature To remove water ANSWER DOWNLOAD EXAMIANS APP
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