Building Materials The practical limit of moisture content achieved in air drying of timber is 5 % 35 % 25 % 15 % 5 % 35 % 25 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 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 No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following bricks are used for lining of furnaces? Under-burnt bricks Refractory bricks First class bricks Over-burnt bricks Under-burnt bricks Refractory bricks First class bricks Over-burnt bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is 4 1 3 2 4 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning is Creosoting A process of removing sap Painting with sodium silicate Coating with tar Creosoting A process of removing sap Painting with sodium silicate Coating with tar ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 2 1 : 4 1 : 6 1 : 8 1 : 2 1 : 4 1 : 6 1 : 8 ANSWER DOWNLOAD EXAMIANS APP
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