Building Materials Granite is not suitable for ordinary building purpose because it can not be polished it has less crushing strength it is not a fire proof material it is costly it can not be polished it has less crushing strength it is not a fire proof material it is costly ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gneiss is obtained from Sedimentary metamorphic rocks Sedimentary rocks Metamorphic rocks Igneous rocks Sedimentary metamorphic rocks Sedimentary rocks Metamorphic rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials A stone is rejected if it absorbs water more than 5 % 15 % 10 % 20 % 5 % 15 % 10 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The pigment used in paints for corrosive resistance, is Red lead White lead Ferrous oxide Zinc white Red lead White lead Ferrous oxide Zinc white ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The coefficient of hardness of stones used in road work should be greater than 15 10 12 17 15 10 12 17 ANSWER DOWNLOAD EXAMIANS APP
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