A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is___________________?

Related Mcqs:

1. The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt________________?

   A. Is safe in shear B. Is unsafe in shear C. Is over safe in shear D. Needs redesigning...

2. The maximum shear stress (q) in concrete of a reinforced cement concrete beam is_____________?

   A. Shear force/(Lever arm × Width) B. Lever arm/(Shear force × Width) C. Width/(Lever arm × Shear force) D. (Shear force × Width)/Lever arm...

3. The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm 2 respectively. If m = 15, the depth of its neutral axis is_______________?

   A. 20 cm B. 25 cm C. 30 cm D. 35 cm...

4. The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called_________________?

   A. Balanced section B. Economic section C. Critical section D. All the above...

5. If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is______________?

   A. 37 cm B. 38 cm C. 39 cm D. 40 cm...

6. In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called________________?

   A. Under-reinforced section B. Over reinforced section C. Economic section D. Critical section...

7. The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is_______________?

   A. 1400 kg/cm2 B. 190 kg/cm2 C. 260 kg/cm2 D. 230 kg/cm2...

8. If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm2, the share stirrups are provided for a distance from either end where, is________________?

   A. 50 cm B. 100 cm C. 150 cm D. 200 cm...

9. If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth D. of the footing from punching shear consideration, is____________________?

   A. D = W (a – b)/4a²bq B. D = W (a² – b²)/4a²bq C. D = W (a² – b²)/8a²bq D. D = W (a² – b²)/4abq...

10. A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is____________________?

    A. bn (fc/2) (d – n/3) B. Atft (d – n/3) C. ½ n1 (1 – n1/3) cbd² D. All the above...