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 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 30 m 20 m 60 m 45 m 30 m 20 m 60 m 45 m ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by 50% 60% 70 % 40% 50% 60% 70 % 40% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the toe of a T- shaped R C. retaining wall is provided oni) top face parallel to the wallii) top face perpendicular to the walliii) bottom face paralleUo the walliv) bottom face perpendicular to the wallThe correct answer is (i) and (ii) are correct (iii) and (iv) are correct only (iv) is correct only (ii) is correct (i) and (ii) are correct (iii) and (iv) are correct only (iv) is correct only (ii) is correct 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 25 to 50% more 10 to 15% more 20 to 25% more 15 to 20% more 25 to 50% more 10 to 15% more 20 to 25% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability strength the unit weight the effects of temperature variations workability strength the unit weight the effects of temperature variations ANSWER DOWNLOAD EXAMIANS APP
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