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- Question
The minimum cube strength of concrete used for a prestressed member, is
Options- A. 50 kg/cm2
- B. 150 kg/cm2
- C. 250 kg/cm2
- D. 350 kg/cm2
- E. 400 kg/cm2
- Correct Answer
- 350 kg/cm2
- 1. Thickened part of a flat slab over its supporting column, is technically known as
Options- A. drop panel
- B. capital
- C. column head
- D. none of these. Discuss
- 2. A short column 20 cm x 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed
Options- A. 4120 kg
- B. 41, 200 kg
- C. 412, 000 kg
- D. none of these. Discuss
- 3. A prestressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is
Options- A.
- B.
- C.
- D.
- E.
Discuss
- 4. If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width
Options- A. R + T
- B. T-R
- C. R2 + T2
- D. R-T Discuss
- 5. The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt,
Options- A. is safe in shear
- B. is unsafe in shear
- C. is over safe in shear
- D. needs redesigning. Discuss
- 6. For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is
Options- A. 1
- B. 2
- C. 3
- D. 4
- E. 5 Discuss
- 7. The thickness of base slab of a retaining wall generally provided, is
Options- A. one half of the width of the stem at the bottom
- B. one-third of the width of the stem at the bottom
- C. one fourth of the width of the steam at the bottom
- D. width of the stem at the bottom
- E. twice the width of the steam at the bottom. Discuss
- 8. A foundation rests on
Options- A. base of the foundation
- B. subgrade
- C. foundation soil
- D. both (b) and (c) Discuss
- 9. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is
Options- A. 2.5
- B. 2.0
- C. less than 2
- D. less than 2.5 Discuss
- 10. An R.C.C. column is treated as long if its slenderness ratio is greater than
Options- A. 30
- B. 35
- C. 40
- D. 50
- E. 60 Discuss
RCC Structures Design problems
Search Results
Correct Answer: drop panel
Correct Answer: 41, 200 kg
Correct Answer:
Correct Answer: R2 + T2
Correct Answer: is unsafe in shear
Correct Answer: 2
Correct Answer: width of the stem at the bottom
Correct Answer: both (b) and (c)
Correct Answer: 2.5
Correct Answer: 50
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