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) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime (or caustic lime) Is obtained by the calcination of pure lime stone All of these Is amorphous Has great affinity to moisture Is obtained by the calcination of pure lime stone All of these Is amorphous Has great affinity to moisture ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Defects caused by crushing fibres Signs of branches cut off Speckled strains Splits radiating from the centre Defects caused by crushing fibres Signs of branches cut off Speckled strains Splits radiating from the centre ANSWER DOWNLOAD EXAMIANS APP
Building Materials Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a Baulk Cant Deal Strip Baulk Cant Deal Strip ANSWER DOWNLOAD EXAMIANS APP
Building Materials In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is Right angles Parallel 60° 45° Right angles Parallel 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following has more fire resisting characteristics? Marble Lime stone Granite Compact sand stone Marble Lime stone Granite Compact sand stone ANSWER DOWNLOAD EXAMIANS APP