The weight of reinforced concrete, is generally taken as
A. 2200 kg/m3
B. 2300 kg/m3
C. 2400 kg/m3
D. 2500 kg/m3
Answer: Option D
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Distribution of shear intensity over a rectangular section of a beam, follows:
A. A circular curve
B. A straight line
C. A parabolic curve
D. An elliptical curve
If the shear stress in a R.C.C. beam is
A. Equal or less than 5 kg/cm2, no shear reinforcement is provided
B. Greater than 4 kg/cm2, but less than 20 kg/cm2, shear reinforcement is provided
C. Greater than 20 kg/cm2, the size of the section is changed
D. All the above
In a pre-stressed member it is advisable to use
A. Low strength concrete only
B. High strength concrete only
C. Low strength concrete but high tensile steel
D. High strength concrete and high tensile steel
In a simply supported slab, alternate bars are curtailed at
A. $${\frac{1}{4}^{{\text{th}}}}$$ of the span
B. $${\frac{1}{5}^{{\text{th}}}}$$ of the span
C. $${\frac{1}{6}^{{\text{th}}}}$$ of the span
D. $${\frac{1}{7}^{{\text{th}}}}$$ of the span
2500kg/m^3 RCC
2400kg/m^3 PCC
2500kg/m3
2500 kg/m3
2400
2400 kg/m3--->R.C.C
2200 kg/m3--->P.C.C
2400 KG/m3 is correct
Sir
2500kg /m3