Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The minimum compressive strength of 2nd class bricks should be 100 kg/cm² 120 kg/cm² 75 kg/cm² 90 kg/cm² 100 kg/cm² 120 kg/cm² 75 kg/cm² 90 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials Manganese steels Possess low coefficient of expansion Are non-magnetic All listed here Possess high electrical resistance Possess low coefficient of expansion Are non-magnetic All listed here Possess high electrical resistance ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here Not more than 5% of lime About 50% to 60% of silica About 20% to 30% of alumina All listed here Not more than 5% of lime About 50% to 60% of silica About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is Bessemer pig White forge pig Grey pig Mottled pig Bessemer pig White forge pig Grey pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polystyrene Polyvinylchloride All of these Polypropylene Polystyrene Polyvinylchloride All of these Polypropylene ANSWER DOWNLOAD EXAMIANS APP
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