Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Alkalies and magnesium Lime stone and alumina Silica and alkalies Alumina and iron Alkalies and magnesium Lime stone and alumina Silica and alkalies Alumina and iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Carbamide Melamine-formaldehyde Phenol formaldehyde All of these Carbamide Melamine-formaldehyde Phenol formaldehyde All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below: Both A and R is true and R is correct explanation of A A is true but R is false Both A and R is true and R is not a correct explanation of A A is false but R is true Both A and R is true and R is correct explanation of A A is true but R is false Both A and R is true and R is not a correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts ANSWER DOWNLOAD EXAMIANS APP
Building Materials Strength of cement concrete primarily depends upon Quality of water Water-cement ratio Quantity of aggregate Quantity of cement Quality of water Water-cement ratio Quantity of aggregate Quantity of cement ANSWER DOWNLOAD EXAMIANS APP