Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Grey or foundry pig Mottled pig Bessemer pig White or forge pig Grey or foundry pig Mottled pig Bessemer pig White or forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials A heavy stone is suitable for Retaining walls Arches Rubble masonry Roads Retaining walls Arches Rubble masonry Roads ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plaster of Paris is obtained by calcining None of these Lime stone Bauxite Gypsum None of these Lime stone Bauxite Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The moisture content in a well seasoned timber is 100 % 4 % to 6 % 10 % to 12 % 15 % to 20 % 100 % 4 % to 6 % 10 % to 12 % 15 % to 20 % 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. (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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