Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) 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? Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Gypsum Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of fly-ash, is Silica Aluminium oxide Ferrous oxide All of these Silica Aluminium oxide Ferrous oxide All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Mottled pig Grey or foundry pig Bessemer pig White or forge pig Mottled pig Grey or foundry pig Bessemer pig White or forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout None of these The summer The winter The monsoon None of these The summer The winter The monsoon ANSWER DOWNLOAD EXAMIANS APP
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