Building Materials Which one of the following polymers is obtained from condensation polymerization? Melamine-formaldehyde Carbamide Phenol formaldehyde All of these Melamine-formaldehyde Carbamide Phenol formaldehyde All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 20 % 10 % 15 % 25 % 20 % 10 % 15 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Softer variety of steel may be obtained by Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer 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: A is true but R is false Both A and R is true and R is correct explanation of A A is false but R is true Both A and R is true and R is not a correct explanation of A A is true but R is false Both A and R is true and R is correct explanation of A A is false but R is true Both A and R is true and R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a rock? None of these Gypsum Mica Quartz None of these Gypsum Mica Quartz ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following sedimentary rocks changes into quartzite by metamorphic action? Sand stone Shale Gypsum Lime stone Sand stone Shale Gypsum Lime stone ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS