Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy 0.57 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 1 0.33 0.5 0.75 1 0.33 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In reinforced concrete footing on soil, the minimum thickness at edge should not be less than 250 mm 150 mm 200 mm 100 mm 250 mm 150 mm 200 mm 100 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has higher initial setting time but lower final setting time lower initial and final setting times lower initial setting time but higher final setting time higher initial and final setting times higher initial setting time but lower final setting time lower initial and final setting times lower initial setting time but higher final setting time higher initial and final setting times ANSWER DOWNLOAD EXAMIANS APP