#### Concrete Structure (Civil Engineering) - MCQs

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##### For a reinforced concrete sections,the shape of shear stress diagram is :
• A. wholly parabolic
• B. wholly rectangular
• C. parabolic above neutral axis and rectangualr below neutral axis
• D. rectangular above neutral axis and parabolic below neutral axis

##### Minimum pitch of transverse reinforcement in a column is :
• A. the least lateral dimension of the member
• B. sixteen times the smallest diameter of longitudinal reinforcement bar to be tied
• C. forty-eight times the diameter of transverse reinforcement
• D. lesser of the above three values

##### Diagonal tension in beam :
• A. in maximum at neutral
• B. decreases below the neutral axis and increases above the neutral axis
• C. increases below the neutral axis and decreases above the neutral axis
• D. remain same

##### If a beam fails in bond, then its bond strength can be increased most economically by :
• A. increasing depth of beam
• B. using thinner bars but more in number
• C. using thicker bars but less in number
• D. providing vertical stirrups

##### As per the provisions of IS 456-2000, in the limit state method for, design of beams the limiting value of the depth of neutral axis in a reinforced concrete beam of effective depth 'd' is given us :
• A. 0.53 d
• B. 0.48 d
• C. 0.46 d
• D. any of the above depending on the different grades of the steel

##### The effective length of a column in a reinforced concrete building frame, as per IS:456-2000, is independent of the :
• A. frame type, i.e, braced (no sway )or un-braced (with sway)
• B. span of the beam
• C. height of the beam
• D. loads acting on the frame