Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Di-calcium silicate Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.7 3.7 2.3 2.5 2.7 3.7 2.3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time of lime-pozzolana, is 120 minutes 30 minutes 60 minutes 90 minutes 120 minutes 30 minutes 60 minutes 90 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The moisture content in a well seasoned timber is 100 % 4 % to 6 % 10 % to 12 % 15 % to 20 % 100 % 4 % to 6 % 10 % to 12 % 15 % to 20 % ANSWER DOWNLOAD EXAMIANS APP
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