Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 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 15 to 20% more 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 on i) top face parallel to the wall ii) top face perpendicular to the wall iii) bottom face paralleUo the wall iv) bottom face perpendicular to the wall The correct answer is only (ii) is correct only (iv) is correct (iii) and (iv) are correct (i) and (ii) are correct only (ii) is correct only (iv) is correct (iii) and (iv) are correct (i) and (ii) are correct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The compressive strength of 100 mm cube as compared to 150 mm cube is always less equal None of these more less equal None of these more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes None of these increases with richer mixes remains constant decreases with richer mixes None of these increases with richer mixes remains constant ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 0.5 1 0.75 0.33 0.5 1 0.75 0.33 ANSWER DOWNLOAD EXAMIANS APP