A. less than 12
B. less than 18
C. between 18 and 24
D. more than 24
Related Mcqs:
- According to IS: 456-1978, the maximum reinforcement in a column is_____________?
A. 2 %
B. 4%
C. 6 %
D. 8 % - The design yield stress of steel according to IS: 456-1978 is_______________?
A. 0.37 fy
B. 0.57 fy
C. 0.67 fy
D. 0.87 fywhere fy is the characteristic yield strength of steel
- 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 - According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as______________?
A. Ec = = 5700
B. Ec = = 570
C. Ec = = 5700fck
D. Ec = where fck N/mm2 = 700 is the characteristic strength in - According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________________?
A. the least lateral dimension
B. 2 times the least lateral dimension
C. 3 times the least lateral dimension
D. 4 times the least lateral dimension - According to IS : 456-1978, the fiexural strength of concrete is________________?
A. directly proportional to compressive strength
B. inversely proportional to compressive strength
C. directly proportional to square root of compressive strength
D. inversely proportional to square root of compressive strength - Maximum distance between expansion joints in structures as per IS : 456 – 1978 is________________?
A. 20 m
B. 30 m
C. 45 m
D. 60 m - Modulus of elasticity of steel as per IS : 456-1978 shall be taken as______________?
A. 20 kN/cm2
B. 200 kN/cm2
C. 200kN/mm2
D. 2xl06N/cm2 - If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to__________________?
A. xv
B. xc
C. xv – TC
D. Tv + Tc - The load carrying capacity of a helically reinforced column as compared to that of a tied column is about________________?
A. 5% less
B. 10% less
C. 5% more
D. 10% more
