Building Materials Percentage of carbon content in mild steel is Between 0.7 and 1.5 Between 0.25 and 0.7 Less than 0.25 Greater than 1.5 Between 0.7 and 1.5 Between 0.25 and 0.7 Less than 0.25 Greater than 1.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 35, 65 All of these 30, 70 25, 75 35, 65 All of these 30, 70 25, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following sedimentary rocks changes into quartzite by metamorphic action? Shale Lime stone Gypsum Sand stone Shale Lime stone Gypsum Sand stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials The minimum compressive strength of 1st class bricks should be 100 kg/cm² 120 kg/cm² 75 kg/cm² 75 kg/cm² 100 kg/cm² 120 kg/cm² 75 kg/cm² 75 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials The frog of the brick in a brick masonry is generally kept on Longer side Top face Shorter side Bottom face Longer side Top face Shorter side Bottom face ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is 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 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 ANSWER DOWNLOAD EXAMIANS APP