Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 15% of average ±5% of average ±20% of average ± 10% of average ± 15% of average ±5% of average ±20% of average ± 10% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is 34 liters 28 liters 30 liters 32 liters 34 liters 28 liters 30 liters 32 liters ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is increased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (i)and(iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on bottom face perpendicular to wall top face perpendicular to wall None of these both top and bottom faces perpendicular to wall bottom face perpendicular to wall top face perpendicular to wall None of these both top and bottom faces perpendicular to wall ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) wR/d wR/2d 2wR/d wR / 4d wR/d wR/2d 2wR/d wR / 4d ANSWER DOWNLOAD EXAMIANS APP