Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called retarders air entraining agents workability admixtures accelerators retarders air entraining agents workability admixtures accelerators ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the unit weight the effects of temperature variations workability strength the unit weight the effects of temperature variations workability strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 10 mm 20 mm 30 mm 15 mm 10 mm 20 mm 30 mm 15 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is (i) and (ii) (i) and (iii) (i), (ii) and (iii) only (i) (i) and (ii) (i) and (iii) (i), (ii) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is 50 mm 75 mm 100 mm 120 mm 50 mm 75 mm 100 mm 120 mm 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 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy ANSWER DOWNLOAD EXAMIANS APP