Building Materials The basic purpose of a retarder in concrete is 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 To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Study the following statements.(i) Hydraulic lime is suitable for white washing,(ii) Fat lime is suitable for whitewashing,(iii) Hydraulic lime is suitable for making mortar,(iv) Fat lime is suitable for making mortar. (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is All of these 25, 75 30, 70 35, 65 All of these 25, 75 30, 70 35, 65 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Expansion Joints in masonry walls are provided in wall lengths usater than 30 m 10 m 40 m 20 m 30 m 10 m 40 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is All listed here Elastic Water proof Fire proof All listed here Elastic Water proof Fire proof 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 Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process Cementation process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
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