An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 me

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An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is
Options
A. 8.3 kg/cm²
B. 7.6 kg/cm²
C. 21.5 kg/cm²
D. 11.4 kg/cm²

Correct Answer

8.3 kg/cm²

RCC Structures Design problems

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1. Distribution of shear intensity over a rectangular section of a beam, follows :
Options
A. a circular curve
B. a straight line
C. a parabolic curve
D. an elliptical curve
E. none of these.

4. To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is
Options
A. 0.107 L
B. 0.207 L
C. 0.307 L
D. 0.407 L

5. The normal values of over flow rates for sedimentation tanks using coagulent, ranges between
Options
A. 25, 000 to 35, 000 litres/sqm/day
B. 40, 000 to 50, 000 litres/sqm/day
C. 50, 000 to 60, 000 litres/sqm/day
D. 80, 000 to 100, 000 litres/sqm/day
E. none of these.

6. If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm², the share stirrups are provided for a distance x from either end where x is
Options
A. 50 cm
B. 100 cm
C. 150 cm
D. 200 cm

9. The advantage of reinforced concrete, is due to
Options
A. monolithic character
B. fire-resisting and durability
C. economy because of less maintenance cost
D. moulding in any desired shape
E. All the above.

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