Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is Grey pig Mottled pig White forge pig Bessemer pig Grey pig Mottled pig White forge pig Bessemer pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The tendency of a stone is, to split along: Fracture Texture Structure Cleavage Fracture Texture Structure Cleavage ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sewer pipes are made of All listed here Stone ware Refractory clay Earthen ware All listed here Stone ware Refractory clay Earthen ware ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 25, 75 30, 70 35, 65 All of these 25, 75 30, 70 35, 65 All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix ANSWER DOWNLOAD EXAMIANS APP