Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen is generally obtained from Coal Petroleum product Synthetic material Organic material Coal Petroleum product Synthetic material Organic material ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastics are compounds of carbon with element All of these Nitrogen Oxygen Hydrogen All of these Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic asphalt is A refinery product Used as a water proofing layer over roof A natural asphalt A mixture of cement and asphalt A refinery product Used as a water proofing layer over roof A natural asphalt A mixture of cement and asphalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Shingle is Decomposed laterite Air weathered rock Water bound pebbles Crushed granite Decomposed laterite Air weathered rock Water bound pebbles Crushed granite ANSWER DOWNLOAD EXAMIANS APP
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