Building Materials Calcination of iron ores is done By roasting in heaps All listed here To remove moisture To remove carbonic acid By roasting in heaps All listed here To remove moisture To remove carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used thinner in oil paints, is Turpentine None the these Naphtha Both (a) and (b) Turpentine None the these Naphtha Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Due to attack of dry rot, the timber None of these Cracks Reduces to powder Shrinks None of these Cracks Reduces to powder Shrinks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks formed by gradual deposition, are called Igneous rocks Metamorphic rocks Sedimentary rocks None of these Igneous rocks Metamorphic rocks Sedimentary rocks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Red short iron cracks when bent due to the presence of Sulphur Phosphorus Silicon Carbon Sulphur Phosphorus Silicon Carbon ANSWER DOWNLOAD EXAMIANS APP
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