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
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials The plywood Can be spilt in the plane of the panel Has good strength along the panel only Has greater impact resistance to blows than ordinary wood Cannot be bent more easily than ordinary wood of same thickness Can be spilt in the plane of the panel Has good strength along the panel only Has greater impact resistance to blows than ordinary wood Cannot be bent more easily than ordinary wood of same thickness ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chemically, marble is known as Calcareous rock Argillaceous rock Siliceous rock Metamorphic rock Calcareous rock Argillaceous rock Siliceous rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 60%, 40% 80%, 20% 70%, 30% 50%, 50% 60%, 40% 80%, 20% 70%, 30% 50%, 50% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is(i) Slow in setting(ii) Rapid in slacking(iii) Good in strength Only (ii) Both (i) and (ii) Both (ii) and (iii) Only (i) Only (ii) Both (i) and (ii) Both (ii) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
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