Building Materials The basic purpose of a retarder in concrete is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the hypabyssal rock from the following: Granite Dolerite Basalt All listed here Granite Dolerite Basalt All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Between 0.25 and 0.7 Greater than 1.5 Between 0.7 and 1.5 Less than 0.25 Between 0.25 and 0.7 Greater than 1.5 Between 0.7 and 1.5 Less than 0.25 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stones obtained by blasting are used as All listed here Aggregates for concrete Ballast in railways Road metal All listed here Aggregates for concrete Ballast in railways Road metal ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct statement from the following: Method of sawing timber Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method All of these Tangentially to annual rings, is known as tangential method Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method All of these Tangentially to annual rings, is known as tangential method ANSWER DOWNLOAD EXAMIANS APP
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