In a singly reinforced beam, the effective depth is measured from its compressio

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Question
In a singly reinforced beam, the effective depth is measured from its compression edge to
Options
A. tensile edge
B. tensile reinforcement
C. neutral axis of the beam
D. longitudinal central axis.

Correct Answer

tensile reinforcement

RCC Structures Design problems

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3. The length of the straight portion of a bar beyond the end of the hook, should be at least
Options
A. twice the diameter
B. thrice the diameter
C. four times the diameter
D. five times the diameter
E. seven times the diameter.

4. The radius of a bar bend to form a hook, should not be less than
Options
A. twice the diameter
B. thrice the diameter
C. four times the diameter
D. five times the diameter
E. none of these.

5. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
Options
A. remains within the flange
B. remains below the slab
C. coincides the geometrical centre of the beam
D. none of these.

7. Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to
Options
A. shear force
B. area of the section
C. distance of the C.G. of the area from its neutral axis
D. moment of the beam section about its neutral axis
E. width of the beam.

8. A simply supported beam , 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm², the area of steel required, is
Options
A. 14 cm²
B. 15 cm²
C. 16 cm²
D. 17 cm²
E. 18 cm²

9. Pick up the true statement from the following:
Options
A. Plain ceiling provides the best property diffusing light
B. In the absence of beams, it is easier to install piping
C. In the absence of beams, it is easier to paint
D. A flat slab is capable to withstand concentrated loads
E. All the above.

10. If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is
Options
A.
B.
C.
D.
E. All the above.

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