Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than________________?

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of___________________?

   A. 10 mm
   B. 15 mm
   C. 20 mm
   D. 25 mm

8. The percentage of minimum reinforcement of the gross sectional area in slabs, is________________?

   A. 0.10 %
   B. 0.12 %
   C. 0.15 %
   D. 0.18 %

9. In the zone of R.C.C. beam where shear stress is less than 5 kg/cm2, nominal reinforcement is provided at a pitch of________________?

   A. One -half lever arm of the section
   B. One-third lever arm of the section
   C. Lever arm of the section
   D. One and half lever arm of the section

10. 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