Building Materials Age of a tree may be ascertained by Number of annual rings Circumference of its stem Number of branches Radius of its stem Number of annual rings Circumference of its stem Number of branches Radius of its stem ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement attains early strength due to Lesser proportion of lime grounded coarser than normal cement Excess percentage of gypsum Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Lesser proportion of lime grounded coarser than normal cement Excess percentage of gypsum Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials Early attainment of strength in rapid hardening cement is mainly due to Tri-calcium silicate Gypsum Finer grinding Tri-calcium aluminate Tri-calcium silicate Gypsum Finer grinding Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Red short iron cracks when bent due to the presence of Silicon Sulphur Carbon Phosphorus Silicon Sulphur Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Cementation process Open hearth process Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process ANSWER DOWNLOAD EXAMIANS APP