Building Materials Sandstone is a (i) Sedimentary rock (ii) Aqueous rock (iii) Siliceous rock Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used retarder in cement is Calcium carbonate Gypsum Calcium chloride None of these Calcium carbonate Gypsum Calcium chloride None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done All listed here To remove carbonic acid To remove moisture By roasting in heaps All listed here To remove carbonic acid To remove moisture By roasting in heaps ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos cement All of these Is brittle Warps due to changes in humidity Strength is lowered when saturated by water All of these Is brittle Warps due to changes in humidity Strength is lowered when saturated by water ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 60%, 40% 50%, 50% 80%, 20% 70%, 30% 60%, 40% 50%, 50% 80%, 20% 70%, 30% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements contains maximum percentage of dicalcium silicate? Low heat cement Sulphate resisting cement Rapid hardening cement Ordinary Portland cement Low heat cement Sulphate resisting cement Rapid hardening cement Ordinary Portland cement ANSWER DOWNLOAD EXAMIANS APP