Building Materials A good building stone should not absorb water more than 10 % 5 % 15 % 20 % 10 % 5 % 15 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a rock? Mica Gypsum Quartz None of these Mica Gypsum Quartz None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used retarder in cement is Gypsum Calcium carbonate Calcium chloride None of these Gypsum Calcium carbonate Calcium chloride None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.7 3.7 2.5 2.3 2.7 3.7 2.5 2.3 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Red short iron cracks when bent due to the presence of Sulphur Silicon Carbon Phosphorus Sulphur Silicon Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick Brittle and weak To crack and warp on drying To lose cohesion Impermeable Brittle and weak To crack and warp on drying To lose cohesion Impermeable ANSWER DOWNLOAD EXAMIANS APP
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