Multiple Choice Questions on Structural Design Specifications - Set 02 - ObjectiveBooks

Multiple Choice Questions on Structural Design Specifications - Set 02

Practice Test: Question Set - 02


1. Pick up the correct statement from the following:
    (A) The diameter of a rivet, before driving is taken as the nominal diameter of the rivet
    (B) The diameter of the rivet hole is taken as the gross area of the rivet
    (C) For rivets of nominal diameters exceeding 25 mm, the diameter of the rivet hole is taken as the nominal diameter of the rivet plus 2 mm
    (D) All the above

2. For achieving suitably a low permeability
    (A) Strong and dense aggregates are used
    (B) Low water - cement ratio is used
    (C) Proper curing is done for hydration
    (D) All the above

3. The thickness of the steel
    (A) Exposed to weather and accessible for repainting, should be not less than 6 mm
    (B) In main members not directly exposed to weather should not be less than 6 mm
    (C) In secondary members not directly exposed to weather shall be not less than 4.5 mm
    (D) All the above

4. For design purpose, the moment at the support where two unequal spans or spans not equally loaded meet, is
    (A) Lesser value
    (B) Greater value
    (C) Average of two values
    (D) None of these

5. All reinforcement should be free from
    (A) Loose mill scales
    (B) Loose rust
    (C) Paints
    (D) All the above

6. Pick up the correct statement from the following:
    (A) The cover of a longitudinal reinforcing bar in a column is kept not less than the diameter of the bar or 40 mm
    (B) The cover of a longitudinal reinforcing bar in beam is kept not less than the diameter of the bar or 25 mm
    (C) The end cover of a longitudinal reinforcing bar in a beam is kept not less than twice the diameter or 25 mm
    (D) All the above

7. Pick up the correct statement from the following:
    (A) The effective span of a simply supported beam is clear span plus its effective depth or centre to centre of supports whichever is less
    (B) The effective span of a simply supported slab is clear span plus its effective depth or centre to centre of supports whichever is less
    (C) For spans with roller or rocker bearing, the effective span is the distance between the centers of bearings
    (D) All the above

8. The thickness of flat double lacing is taken (where l is the effective length of the bar).
    (A) l/20
    (B) l/30
    (C) l/40
    (D) l/60

9. Pick up the correct statement regarding columns.
    (A) The cross sectional area of longitudinal reinforcement, should not be less than 0.8% nor more than 4% of its gross sectional area
    (B) The minimum of longitudinal bars provided in rectangular and circular columns are 4 and 6 respectively
    (C) If the effective length of a column is less than three times its lateral dimension, it is generally called a pedestal
    (D) All the above

10. The actual length of a column provided with a cap and base, is the distance between
    (A) Top of the base and underside of the cap
    (B) Bottom of the base and underside of the cap
    (C) Top of the base and top of the cap
    (D) Bottom of the base and top of the cap

11. The maximum compressive strength on 15 cm cubes of M 20 grade concrete at 7 days, should be a minimum of
    (A) 7 N/mm2
    (B) 10 N/mm2
    (C) 15 N/mm2
    (D) 20 N/mm2

12. For deformed reinforcing bars, the permissible design bond stress may be increased by
    (A) 20 %
    (B) 30 %
    (C) 40 %
    (D) 60 %

13. The overall depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than
    (A) 30 cm
    (B) 40 cm
    (C) 45 cm
    (D) 60 cm

14. Minimum thickness of steel work directly exposed to weather and accessible for cleaning and repainting, the thickness should be not less than
    (A) 4 mm
    (B) 6 mm
    (C) 8 mm
    (D) 7 mm

15. The slenderness ratio of single angle discontinuous struts connected by a single rivet or bolt, shall not exceed
    (A) 110
    (B) 130
    (C) 150
    (D) 180

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