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 (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as Rapid hardening cement White cement Quick setting cement Low heat Portland cement Rapid hardening cement White cement Quick setting cement Low heat Portland cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stretcher bond in brick masonry can be used only when the thickness of wall is 280 mm 90 mm 180 mm 190 mm 280 mm 90 mm 180 mm 190 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a rock? None of these Mica Quartz Gypsum None of these Mica Quartz Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is 90° 0° 45° 30° 90° 0° 45° 30° ANSWER DOWNLOAD EXAMIANS APP