RCC Structures Design-Data Intensity 4 Multiple Questions and Answers.




1.If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is?
A. D = 0.0775 a
B. D = 0.775 a
C. D = 0.775 a1
D. D = 0.775 a2

2.After pre-stressing process is completed, a loss of stress is due to?
A. Shrinkage of concrete
B. Elastic shortening of concrete
C. Creep of concrete
D. All the above

3.If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width?
A. R + T
B. T � R
C. 2 + T2
D. R � T

4.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

5.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

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