Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 15 % 10 % 20 % None of these 15 % 10 % 20 % None of these 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 (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 20 kg limestone is required All listed here 700 m3 air is required One quintal coke is required 20 kg limestone is required All listed here 700 m3 air is required One quintal coke is required ANSWER DOWNLOAD EXAMIANS APP
Building Materials The type of roof which slopes in two directions with a break in the slope on each side is known as gable roof mansard roof hip roof gambrel roof gable roof mansard roof hip roof gambrel roof ANSWER DOWNLOAD EXAMIANS APP
Building Materials Putty is Softened by a solution of pearl ash and quick-lime soaked in water All listed here Made with finely powdered chalk and linseed oil Used for fixing glass panes Softened by a solution of pearl ash and quick-lime soaked in water All listed here Made with finely powdered chalk and linseed oil Used for fixing glass panes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Oil varnish generally consists of Resin, oil and turpentine Spirit, oil and wax Synthetic resin and spirit Oil, wax and resin Resin, oil and turpentine Spirit, oil and wax Synthetic resin and spirit Oil, wax and resin ANSWER DOWNLOAD EXAMIANS APP