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The percentage of voids in cement is approximately_______________?
Related MCQs
To determine the modulus of rupture, the size of test specimen used is__________?
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called__________?
Workability of concrete is inversely pro¬portional to__________?
Air entrainment in the concrete increases__________?
The approximate value of the ratio between direct tensile strength and flexural strength is__________?
The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by__________?
Increase in the moisture content in concrete__________?
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__________?
Workability of concrete is directly proportional to__________?
Approximate value of shrinkage strain in concrete, is__________?
The property of the ingredients to separate from each other while placing the concrete is called__________?
The percentage of voids in cement is approximately_______________?
A. 25%
B. 40%
C. 60%
D. 80%
Correct Answer:
40%
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Last Updated:
January 12, 2019