11. For a reinforced concrete section, the shape of shear stress diagram is
12. In prestressed concrete
13. Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
14. The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)
15. Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are
16. Strength of concrete increases with
17. In counterfort retaining walls, the main reinforcement in the stem at support is
18. Assertion A: The load factor for live load is greater than that for dead load.
Reason R: The live loads are more uncertain than dead loads.
Select your answer based on the coding system given below:
Reason R: The live loads are more uncertain than dead loads.
Select your answer based on the coding system given below:
19. Diagonal tension in a beam
20. According to IS : 456-1978, the fiexural strength of concrete is
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