Concrete Technology and Design of Concrete Structures For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be 600 mm 750 mm more than 1 m 900 mm 600 mm 750 mm more than 1 m 900 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the unit weight strength workability the effects of temperature variations the unit weight strength workability the effects of temperature variations 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 fcr>fcs>fc. fc5>fcr>fC fcr tcr – rcs = tct fcr>fcs>fc. fc5>fcr>fC fcr tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Is maximum at neutral axis Remains same Decreases below the neutral axis and increases above the neutral axis Increases below the neutral axis and decreases above the neutral axis Is maximum at neutral axis Remains same Decreases below the neutral axis and increases above the neutral axis Increases below the neutral axis and decreases above the neutral axis ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 50% 70% 60% 40% 50% 70% 60% 40% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, use of pozzuolanic cement reduces workability increases strength increases bleeding increases shrinkage reduces workability increases strength increases bleeding increases shrinkage ANSWER DOWNLOAD EXAMIANS APP
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