Building Materials The basic purpose of a retarder in concrete is To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix ANSWER DOWNLOAD EXAMIANS APP
Building Materials After storage, the strength of cement Increases Decreases May increase or decrease Remains same Increases Decreases May increase or decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.5 2.7 2.3 3.7 2.5 2.7 2.3 3.7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on its dry weight, a freshly felled tree may contain water 25 % 75 % 100 % 50 % 25 % 75 % 100 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is Calcium oxide Calcium carbonate Calcium hydroxide None of these Calcium oxide Calcium carbonate Calcium hydroxide None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The harmonious mixing of the clay ingredients, is known as None of these Weathering Blending Tempering None of these Weathering Blending Tempering ANSWER DOWNLOAD EXAMIANS APP
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