Building Materials Pick up the synthetic resin from the following: Resorcinol resin Urea resin Phenolic resin All of these Resorcinol resin Urea resin Phenolic resin All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Carbamide Melamine-formaldehyde All of these Phenol formaldehyde Carbamide Melamine-formaldehyde All of these Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick To crack and warp on drying Brittle and weak Impermeable To lose cohesion To crack and warp on drying Brittle and weak Impermeable To lose cohesion ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Bessemer pig Mottled pig Grey or foundry pig White or forge pig Bessemer pig Mottled pig Grey or foundry pig White or forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 15 % 5 % 20 % 10 % 15 % 5 % 20 % 10 % ANSWER DOWNLOAD EXAMIANS APP
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