Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete increases with richer mixes remains constant decreases with richer mixes None of these increases with richer mixes remains constant decreases with richer mixes None of these 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 fcr>fcs>fc. tcr – rcs = tct fcr fc5>fcr>fC fcr>fcs>fc. tcr – rcs = tct fcr 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 10 to 15% more 25 to 50% more 15 to 20% more 20 to 25% more 10 to 15% more 25 to 50% more 15 to 20% more 20 to 25% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The ratio of the diameter of reinforcing bars and the slab thickness is 1/8 1/4 1/5 1/6 1/8 1/4 1/5 1/6 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 0.75 0.33 1 0.5 0.75 0.33 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe correct answer is (i) and (ii) All (i), (ii) and (iii) only (iii) (ii) and (iii) (i) and (ii) All (i), (ii) and (iii) only (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP