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Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is_____________?
Related MCQs
If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be__________?
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The factor of safety for__________?
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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__________?
Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is_____________?
A. M15
B. M20
C. M 10
D. M25
Correct Answer:
M15
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Last Updated:
January 12, 2019