The allowable tensile stress in mild steel stirrups, reinforced cement concrete,

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Question
The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is
Options
A. 1400 kg/cm²
B. 190 kg/cm²
C. 260 kg/cm²
D. 230 kg/cm²

Correct Answer

1400 kg/cm²

RCC Structures Design problems

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1. Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension
Options
A. two times
B. three times
C. four times
D. five times
E. six times.

3. In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as
Options
A. a key
B. a cut-off wall
C. a rib
D. all the above.

5. The self-weight of the footing, is
Options
A. not considered for calculating the upward pressure on footing
B. also considered for calculating the upward pressure on footihg
C. not considered for calculating the area of the footing
D. both (b) and (c)

7. Long and short spans of a two way slab are l_y and l_x and load on the slab acting on strips parallel to l_x and l_y be w_x and w_y respectively. According to Rankine Grashoff theory
Options
A.
B.
C.
D.
E. none of these.

9. An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm², the beam
Options
A. is safe in shear
B. is safe with stirrups
C. is safe with stirrups and inclined bars
D. needs revision of section

10. The diameter of the column head support a flat slab, is generally kept
Options
A. 0.25 times the span length
B. 0.25 times the diameter of the column
C. 4.0 cm larger than the diameter of the column
D. 5.0 cm larger than the diameter of the column
E. none of these.

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