Building Materials Which one of the following polymers is obtained from condensation polymerization? All of these Melamine-formaldehyde Carbamide Phenol formaldehyde All of these Melamine-formaldehyde Carbamide Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most durable varnish is Oil varnish Water varnish Turpentine varnish Spirit varnish Oil varnish Water varnish Turpentine varnish Spirit varnish ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polypropylene Polystyrene All of these Polyvinylchloride Polypropylene Polystyrene All of these Polyvinylchloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials Second class bricks Are of dark brown color Are well burnt Produce a metallic sound when struck Are under burnt Are of dark brown color Are well burnt Produce a metallic sound when struck Are under burnt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on its dry weight, a freshly felled tree may contain water 100 % 50 % 75 % 25 % 100 % 50 % 75 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To paint its surface To make it water proof To increase its temperature To remove water To paint its surface To make it water proof To increase its temperature To remove water ANSWER DOWNLOAD EXAMIANS APP
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