Building Materials Bulking of sand is caused due to Viscosity Clay contents Surface moisture Air voids Viscosity Clay contents Surface moisture Air voids ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic asphalt is A refinery product A mixture of cement and asphalt A natural asphalt Used as a water proofing layer over roof A refinery product A mixture of cement and asphalt A natural asphalt Used as a water proofing layer over roof 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 (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main function of alumina in brick earth is To prevent shrinkage To impart plasticity To make the brick durable To make the brick impermeable To prevent shrinkage To impart plasticity To make the brick durable To make the brick impermeable ANSWER DOWNLOAD EXAMIANS APP
Building Materials For obtaining vinyl chloride acetate, the method used, is Condensation polymerization Addition polymerization None of these Co-polymerization Condensation polymerization Addition polymerization None of these Co-polymerization ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP