A. The least lateral dimension of the column
B. Sixteen times the diameter of the smallest longitudinal reinforcing rods in the column
C. Forty-eight times the diameter of transverse reinforcement
D. All the above
Related Mcqs:
- The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than________________?
A. 4 mm
B. 5 mm
C. 6 mm
D. 7 mm - If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads______________?
A. y = L – (l – ) )
B. y = L/2 + (l –
C. y = L/2 – (l + )
D. y = L/2 – (l – ) - Minimum spacing between horizontal parallel reinforcement of the same size should not be less than________________?
A. One diameter
B. 2.5 diameters
C. 3 diameters
D. 3.5 diameters - Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than________________?
A. One diameter of thinner bar
B. One diameter of thicker bar
C. Twice the diameter of thinner bar
D. None of these - As per IS : 456, the reinforcement in a column should not be less than________________?
A. 0.5% and not more than 5% of cross-sectional area
B. 0.6% and not more than 6% of cross-sectional area
C. 0.7% and not more than 7% of cross-sectional area
D. 0.8% and not more than 8% of cross-sectional area - An R.C.C. column is treated as short column if its slenderness ratio is less than_______________?
A. 30
B. 35
C. 40
D. 50 - If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is______________?
A. cAc + m cAsc
B. c(A – Asc) + m cAsc
C. c[A + (m – 1)ASC]
D. All the above - A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds_________________?
A. 10
B. 15
C. 20
D. 25 - A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed_______________?
A. 4120 kg
B. 41,200 kg
C. 412,000 kg
D. None of these - The transverse reinforcements provided at right angles to the main reinforcement_______________?
A. Distribute the load
B. Resist the temperature stresses
C. Resist the shrinkage stress
D. All the above