Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 6 1 : 4 1 : 8 1 : 2 1 : 6 1 : 4 1 : 8 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The minimum compressive strength of 1st class bricks should be 75 kg/cm² 100 kg/cm² 75 kg/cm² 120 kg/cm² 75 kg/cm² 100 kg/cm² 75 kg/cm² 120 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials Strength of cement concrete primarily depends upon Quantity of cement Water-cement ratio Quantity of aggregate Quality of water Quantity of cement Water-cement ratio Quantity of aggregate Quality of water ANSWER DOWNLOAD EXAMIANS APP
Building Materials Brittleness of cold is due to an excess of Silicon Carbon Sulphur Phosphorus Silicon Carbon Sulphur Phosphorus 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 Initial setting time of cement for asbestos cement products should be not less than 30 minutes 75 minutes 50 minutes 90 minutes 30 minutes 75 minutes 50 minutes 90 minutes ANSWER DOWNLOAD EXAMIANS APP
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