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

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

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

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. 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...

7. 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...

8. 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...

9. 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...

10. If Sb, is the average bond stress on a bar of diameter subjected to maximum stress , the length of the embedment is given by_____________?

    A. l = dt/Sb B. l = dt/2Sb C. l = dt/3Sb D. l = dt/4Sb...