Concrete Technology and Design of Concrete Structures Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is M15 M20 M10 M25 M15 M20 M10 M25 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 15 to 20% more 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more 20 to 25% more 25 to 50% more 10 to 15% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents workability admixtures accelerators retarders air entraining agents workability admixtures accelerators retarders ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures High carbon content in the steel causes increase in both tensile strength and ductility decrease in tensile strength but increase in ductility increase in tensile strength but decrease in ductility decrease in both tensile strength and ductility increase in both tensile strength and ductility decrease in tensile strength but increase in ductility increase in tensile strength but decrease in ductility decrease in both tensile strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 20% 5% 15% 10% 20% 5% 15% 10% ANSWER DOWNLOAD EXAMIANS APP