RCC Structures Design Practice Exam - Set 13 - ObjectiveBooks

RCC Structures Design Practice Exam - Set 13

Practice Test: Question Set - 13

1. If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is
    (A) d
    (B) n
    (C) d + n/3
    (D) d - n/3

2. The weight of a foundation is assumed as
    (A) 5% of wall weight
    (B) 7% of wall weight
    (C) 10% of wall weight
    (D) 12% of wall weight

3. An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40,000 kg axially, the stress is
    (A) 49.9 kg/cm2
    (B) 100 kg/cm2
    (C) 250 kg/cm2
    (D) 175 kg/cm2

4. If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than
    (A) 4 mm
    (B) 5 mm
    (C) 6 mm
    (D) 8 mm

5. Design of R.C.C. cantilever beams, is based on the resultant force at
    (A) Fixed end
    (B) Free end
    (C) Mid span
    (D) Mid span and fixed support

6. In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are
    (A) 6 legged
    (B) 8 legged
    (C) 10 legged
    (D) 12 legged

7. The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
    (A) Shear force/(Lever arm × Width)
    (B) Lever arm/(Shear force × Width)
    (C) Width/(Lever arm × Shear force)
    (D) (Shear force × Width)/Lever arm

8. An R.C.C. column is treated as long if its slenderness ratio is greater than
    (A) 30
    (B) 35
    (C) 40
    (D) 50

9. The thickness of base slab of a retaining wall generally provided, is
    (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

10. Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at
    (A) Supports
    (B) Mid span
    (C) Every section
    (D) Quarter span

11. 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
    (A) 50 cm
    (B) 100 cm
    (C) 150 cm
    (D) 200 cm

12. Distribution reinforcement in a simply supported slab, is provided to distribute
    (A) Load
    (B) Temperature stress
    (C) Shrinkage stress
    (D) All the above

13. Distribution of shear intensity over a rectangular section of a beam, follows:
    (A) A circular curve
    (B) A straight line
    (C) A parabolic curve
    (D) An elliptical curve

14. In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called
    (A) Under-reinforced section
    (B) Over reinforced section
    (C) Economic section
    (D) Critical section

15. If the size of a column is reduced above the floor, the main bars of the columns, are
    (A) Continued up
    (B) Bent inward at the floor level
    (C) Stopped just below the floor level and separate lap bars provided
    (D) All the above

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