Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be free from clay Resist action of acids Be durable All of these Be free from clay Resist action of acids Be durable All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality sand is never obtained from Sea River Gravel powder Lake Sea River Gravel powder Lake ANSWER DOWNLOAD EXAMIANS APP
Building Materials A well seasoned timber may contain moisture up to 10 to 12 % 8 to 10 % 4 to 6 % 6 to 8 % 10 to 12 % 8 to 10 % 4 to 6 % 6 to 8 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout The monsoon The winter None of these The summer The monsoon The winter None of these The summer ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of plywood, veneers are placed so that grains of adjacent veneers Run at right angles Inclined at 45° Parallel Inclined at 60° Run at right angles Inclined at 45° Parallel Inclined at 60° ANSWER DOWNLOAD EXAMIANS APP
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