Admixtures which cause early setting, and hardening of concrete are called_______________?
The strength of concrete after one year as compared to 28 days strength is about_______________?
The most commonly used admixture which prolongs the setting and hardening time is_______________?
According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as______________?
As compared to ordinary portland cement, use of pozzuolanic cement_______________?
Strength of concrete increases with________________?
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________?
1% of voids in a concrete mix would reduce its strength by about______________?
Bulking of sand is maximum if moisture content is about____________?
As compared to ordinary portland cement, high alumina cement has______________?
