Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To paint its surface To make it water proof To remove water To increase its temperature To paint its surface To make it water proof To remove water To increase its temperature ANSWER DOWNLOAD EXAMIANS APP
Building Materials The normal curing period for lime mortar, is: 7 days 3 days 9 days 5 days 7 days 3 days 9 days 5 days ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Cementation process Open hearth process Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is the purest form of iron? Mild steel Cast iron High carbon steel Wrought iron Mild steel Cast iron High carbon steel Wrought iron 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 render the concrete more water tight To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP