Building Materials When a brick is immersed in water for 24 hours and then dried, if 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for ornamental work must be Hard Heavy Soft Light Hard Heavy Soft Light ANSWER DOWNLOAD EXAMIANS APP
Building Materials Higher pitch of the roofi) results in stronger roofii) results in weaker roofiii) requires more covering materialiv) requires less covering materialThe correct answer is (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most fire resistant paints are: Enamel paints Cement paints Asbestos paints Aluminium paints Enamel paints Cement paints Asbestos paints Aluminium paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials Veneering means Thin layer of superior wood glued to inferior wood Chemically treating timber planks Thick layer of superior wood glued to inferior wood Carving out designs on timber planks Thin layer of superior wood glued to inferior wood Chemically treating timber planks Thick layer of superior wood glued to inferior wood Carving out designs on timber planks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Invar contains 30% of nickel 12% of nickel 24% of nickel 36% of nickel 30% of nickel 12% of nickel 24% of nickel 36% of nickel ANSWER DOWNLOAD EXAMIANS APP