Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to time of transit vater-cement ratio size of aggregate the air in the mix time of transit vater-cement ratio size of aggregate the air in the mix ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 5% 20% 15% 10 % 5% 20% 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory can be more than 1 is always greater than 1 is always less than 1 can be less than 1 can be more than 1 is always greater than 1 is always less than 1 can be less than 1 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 (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) 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 effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS