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. fcr tcr – rcs = tct fc5>fcr>fC fcr>fcs>fc. fcr tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with increase in fineness of cement decrease in size of aggregate increase in water-cement ratio decrease in curing time increase in fineness of cement decrease in size of aggregate increase in water-cement ratio decrease in curing time ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as 3 2 2.5 1.5 3 2 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations strength the unit weight workability the effects of temperature variations strength the unit weight workability ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Increases below the neutral axis and decreases above the neutral axis Is maximum at neutral axis Decreases below the neutral axis and increases above the neutral axis Remains same Increases below the neutral axis and decreases above the neutral axis Is maximum at neutral axis Decreases below the neutral axis and increases above the neutral axis Remains same ANSWER DOWNLOAD EXAMIANS APP
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