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 Silica and alkalies Alkalies and magnesium Lime stone and alumina Alumina and iron Silica and alkalies Alkalies and magnesium Lime stone and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials The specific gravity of marble, is 2.72 2.66 2.6 2.5 2.72 2.66 2.6 2.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen may be dissolved in Sodium chloride Carbon disulphide Water Carbondioxide Sodium chloride Carbon disulphide Water Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be free from clay All of these Resist action of acids Be durable Be free from clay All of these Resist action of acids Be durable ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 10 % 15 % 5 % 25 % 10 % 15 % 5 % 25 % ANSWER DOWNLOAD EXAMIANS APP
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