Building Materials The percentage of alumina and silica in good fire clay vary respectively is 30, 70 35, 65 All of these 25, 75 30, 70 35, 65 All of these 25, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials French polish is Oil paint Spirit varnish Distemper None to these Oil paint Spirit varnish Distemper None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sea sand used in structures causes Disintegration Dampness All of these Efflorescence Disintegration Dampness All of these Efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar. (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron contains carbon approximately 0.250 % None to these 0.05% to 1.75% 1.5% to 5.5% 0.250 % None to these 0.05% to 1.75% 1.5% to 5.5% 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 (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP