The radius of a bar bend to form a hook, should not be less than_______________?

Related Mcqs:

1. The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is___________________?

   A. 30° B. 40° C. 45° D. All the above...

2. 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...

3. The length of the straight portion of a bar beyond the end of the hook, should be at least_______________?

   A. Twice the diameter B. Thrice the diameter C. Four times the diameter D. Seven times the diameter...

4. If diameter of a reinforcement bar is d, the anchorage value of the hook is_______________?

   A. 4d B. 8d C. 12d D. 16d...

5. 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...

6. 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...

7. The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or____________________?

   A. 12 bar diameters B. 18 bar diameters C. 24 bar diameters D. 30 bar diameters...

8. Cantilever retaining walls can safely be used for a height not more than_______________?

   A. 3 m B. 4 m C. 5 m D. 6 m...

9. Dimensions of a beam need be changed if the shear stress is more than_______________?

   A. 10 kg/cm2 B. 15 kg/cm2 C. 20 kg/cm2 D. 25 kg/cm2...

10. If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is__________________?

    A. 28 d B. 38 d C. 48 d D. 58 d...