A. 4 mm
B. 5 mm
C. 6 mm
D. 7 mm
Related Mcqs:
- The diameter of main bars in R.C.C. columns, shall not be less than________________?
A. 6 mm
B. 8 mm
C. 10 mm
D. 12 mm - 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 - 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 - 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 - If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is_____________?
A. 10 mm
B. 12 mm
C. 14 mm
D. 16 mm - If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than________________?
A. WL/12 (L – 2D/3)²
B. WL/10 (L + 2D/3)²
C. WL/10 (L – 2D/3)²
D. WL/12 (L – D/3)² - The spacing of transverse reinforcement of column is decided by the following consideration_______________?
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 - The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than_______________?
A. 18 bar diameters
B. 24 bar diameters
C. 30 bar diameters
D. 36 bar diameters - 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 - If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than____________________?
A. 4 mm
B. 5 mm
C. 6 mm
D. 8 mm
