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) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials A volatile substance added to a paint to make its application easy and smooth, is known as Vehicle None to these Base Solvent Vehicle None to these Base Solvent ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 15% of cobalt 20% of cobalt 45% of cobalt 35% of cobalt 15% of cobalt 20% of cobalt 45% of cobalt 35% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Tri-calcium aluminate Tetra-calcium alumino-ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra-calcium alumino-ferrite Tri-calcium silicate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen is generally obtained from Organic material Synthetic material Coal Petroleum product Organic material Synthetic material Coal Petroleum product ANSWER DOWNLOAD EXAMIANS APP
Building Materials The moisture content in a well seasoned timber is 100 % 10 % to 12 % 4 % to 6 % 15 % to 20 % 100 % 10 % to 12 % 4 % to 6 % 15 % to 20 % ANSWER DOWNLOAD EXAMIANS APP