Building Materials The coefficient of hardness of stones used in road work should be greater than 12 15 17 10 12 15 17 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To make it water proof To increase its temperature To remove water To paint its surface To make it water proof To increase its temperature To remove water To paint its surface ANSWER DOWNLOAD EXAMIANS APP
Building Materials The pigment used in paints for corrosive resistance, is Ferrous oxide White lead Zinc white Red lead Ferrous oxide White lead Zinc white Red lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as Dressing of stones Quarrying of stones Seasoning of stones Blasting of stones Dressing of stones Quarrying of stones Seasoning of stones Blasting of stones ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Annular rings Heart wood Cambium layer Medullary rays Annular rings Heart wood Cambium layer Medullary rays ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 30, 70 25, 75 All of these 35, 65 30, 70 25, 75 All of these 35, 65 ANSWER DOWNLOAD EXAMIANS APP
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