Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 5% 20% 10 % 15% 5% 20% 10 % 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The fineness modulus of fine aggregate is in the range of 5.0 to 7.0 6.0 to 8.5 2.0 to 3.5 3.5 to 5.0 5.0 to 7.0 6.0 to 8.5 2.0 to 3.5 3.5 to 5.0 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on both crst and acbc is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on aCbC only depends on both crst and acbc is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on aCbC only 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) 0.57 fy 0.67 fy 0.37 fy 0.87 fy 0.57 fy 0.67 fy 0.37 fy 0.87 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In counterfort type retaining wallsi) the vertical slab is designed as a continuous slabii) the heel slab is designed as a continuous slabiii) the vertical slab is designed as a cantileveriv) the heel slab is designed as a cantileverThe correct answer is (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) 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 53 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP