If b is the width of a beam, x is the spacing of the stirrup and fc is the chara

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If b is the width of a beam, x is the spacing of the stirrup and f_c is the characteristic strength of stirrups, the minimum cross sectional area of stirrup legs, should be equal or greater than
Options
A.
B.
C.
D.

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Structural Design Specifications problems

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3. If the ends of the compression flanges of simply supported girders are fully restrained against lateral bending, the effective length is taken as
Options
A. span
B. 0.85 x span
C. 0.7 x span
D. 0.5 x span

4. The average 28 days compressive strength of at least three 15 cm concrete cubes prepared with available water as compared to the average strength of three similer concrete cubes prepared with distilled water, should be at least
Options
A. 70%
B. 80%
C. 90%
D. 95%

6. The minimum length of the side or diameter of the column base shall not be less than (where d is the minimum diameter of the column).
Options
A. (d + 75) mm
B. 1.2 (d - 75) mm
C. 1.5 (d + 75) mm
D. 1.6 (d + 75) mm

8. Pick up the correct statement from the following:
Options
A. The cover of a longitudinal reinforcing bar in a column is kept not less than the diameter of the bar or 40 mm
B. The cover of a longitudinal reinforcing bar in beam is kept not less than the diameter of the bar or 25 mm
C. The end cover of a longitudinal reinforcing bar in a beam is kept not less than twice the diameter or 25 mm
D. The cover for tensile reinforcement in a slab is kept not less than diameter of the bar or 15 mm
E. All the above

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