Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±5% of average ± 15% of average ± 10% of average ±20% of average ±5% of average ± 15% of average ± 10% of average ±20% of average 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 53 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 53 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) 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 150 x150 x700 mm 100 x100 x700 mm 150 x150 x500 mm 100 x100 x500 mm 150 x150 x700 mm 100 x100 x700 mm 150 x150 x500 mm 100 x100 x500 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 24 to 48 hours 7 days 14 days 3 days 24 to 48 hours 7 days 14 days 3 days ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are 1.5 m and 3.0 m 1.5 m and 1.5 m 3.0 m and 1.5 m 3.0 m and 3.0 m 1.5 m and 3.0 m 1.5 m and 1.5 m 3.0 m and 1.5 m 3.0 m and 3.0 m ANSWER DOWNLOAD EXAMIANS APP