RCC STRUCTURE DESIGN

Q: An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

(a) :  25°
(b) :  35°
(c) :  45°
(d) :  55°
(e) :  60°
Answer:  45°
Explanation:  

Q: Design of R.C.C. cantilever beams, is based on the resultant force at

(a) :  fixed end
(b) :  free end
(c) :  mid span
(d) :  mid span and fixed support.
(e) :  None of these
Answer:  fixed end
Explanation:  

Q: 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.
(e) :  None of these
Answer:  lever arm of the section
Explanation:  

Q: The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

(a) :  35
(b) :  25
(c) :  30
(d) :  20
(e) :  15
Answer:  30
Explanation:  

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