Building Materials A stone is rejected if it absorbs water more than 15 % 10 % 20 % 5 % 15 % 10 % 20 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials As per IS specifications, the maximum final setting time for ordinary Portland cement should be 1 hour 10 hours 30 minutes 6 hours 1 hour 10 hours 30 minutes 6 hours ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 70 : 20 : 10 60 : 35 : 5 None of these 80 : 13 : 7 70 : 20 : 10 60 : 35 : 5 None of these 80 : 13 : 7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime (or caustic lime) Is obtained by the calcination of pure lime stone Is amorphous Has great affinity to moisture All of these Is obtained by the calcination of pure lime stone Is amorphous Has great affinity to moisture All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist Chemical action Dampness High temperature All listed here Chemical action Dampness High temperature All listed here ANSWER DOWNLOAD EXAMIANS APP
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