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 (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Veneering means Carving out designs on timber planks Thick layer of superior wood glued to inferior wood Chemically treating timber planks Thin layer of superior wood glued to inferior wood Carving out designs on timber planks Thick layer of superior wood glued to inferior wood Chemically treating timber planks Thin layer of superior wood glued to inferior wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be durable All of these Resist action of acids Be free from clay Be durable All of these Resist action of acids Be free from clay ANSWER DOWNLOAD EXAMIANS APP
Building Materials In arches, stratified stones are placed so that their planes are Radial Perpendicular Parallel None of these Radial Perpendicular Parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a rock? None of these Quartz Mica Gypsum None of these Quartz Mica Gypsum ANSWER DOWNLOAD EXAMIANS APP