Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 80 : 13 : 7 None of these 70 : 20 : 10 60 : 35 : 5 80 : 13 : 7 None of these 70 : 20 : 10 60 : 35 : 5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Silica 40% ; lime 40% ; other ingredients 20% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below: Both A and R is true and, R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and, R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of branches Circumference of its stem Radius of its stem Number of annual rings Number of branches Circumference of its stem Radius of its stem Number of annual rings ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called Metamorphic rocks None of these Sedimentary rocks Igneous rocks Metamorphic rocks None of these Sedimentary rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina ANSWER DOWNLOAD EXAMIANS APP
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