Home» Online Test » Civil Engineering » Structural Design Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This is a FREE online test. Beware of scammers who ask for money to attend this test. Get fresh, new questions in each attempt. Total Questions: 50 Time Allotted: 50 minutes Passing Score: 70% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 50 1. A circular slab, when subjected to external loading, deforms to assume a shape of a) hemi-sphere b) ellipsoid c) semi-hemisphere d) paraboloid 2 / 50 2. The ratio of effective length of a column which is fixed at both ends to the distance between the supports is about a) 2.0 b) 1.0 c) 0.7 d) 0.50 3 / 50 3. Fineness modulus of fine aggregate is between a) 2-3.5 b) 3.5-5.0 c) 5-6.0 d) 6-7.0 4 / 50 4. In a slab, the pitch of the distribution reinforcement should not exceed its effective depth a) three times b) four times c) five times d) six times 5 / 50 5. Spacing of longitudinal bars measured along the periphery of the column should not be more than (as per IS: 456-2000) a) 20 cm b) 25 cm c) 30 cm d) 15 cm 6 / 50 6. Dimensions of a beam need to be changed if the shear stress is more than a) 10 kg/cm² b) 15 kg/cm² c) 20 kg/cm² d) 25 kg/cm² 7 / 50 7. The ratio of modulus of elasticity of steel to that of concrete is a) modular ratio b) Poisson's ratio c) elasticity ratio d) none of the above 8 / 50 8. Strength of concrete show an increase with a) decrease in rate of loading b) increase in rate of loading c) unaffected by rate of loading d) depends on the application of load 9 / 50 9. For bars in tension, a standard hook has an anchorage value equivalent to a straight length of a) 8θ b) 12θ c) 16θ d) 20θ 10 / 50 10. In the case of the foundation of rigid base, the distribution pressure on the soil is a) uniform b) maximum bending moment c) minimum in the central zone d) none of the above 11 / 50 11. The minimum lap length at the splice of compression reinforcement in RCC a) 24 times the diameter of the bar or lap length b) 30 times the diameter of the bar or lap length c) 48 times the diameter of the bar or lap length d) 30 times the diameter of the bar or twice the development length 12 / 50 12. Distribution reinforcement in a simply supported slab is provided to distribute a) load b) temperature stress c) shrinkage stress d) all of the above 13 / 50 13. In cold weather, concrete curing should be continued for... days a) 7 b) 14 c) 21 d) 28 14 / 50 14. The types of failure in which stress in concrete and steel reaches its permissible value at a time is called balance failure. At this stage, the location of the neutral axis is a) above the critical neutral axis b) matches with the critical neutral axis c) below the critical neutral axis d) all of the above 15 / 50 15. In a column, the pitch of the ties shall be a) least lateral dimension of the column b) 16 x θ of the smallest longitudinal bar c) 48 x θ of the transverse reinforcement d) least of the above 16 / 50 16. In a simply supported slab, alternate bars are curtailed at a) 1/4th of the span b) 1/5th of the span c) 1/6th of the span d) 1/7th of the span 17 / 50 17. The maximum spacing of side-face reinforcement in a beam should be a) 100 mm b) 200 mm c) 300 mm d) 400 mm 18 / 50 18. The safe bond stress between concrete and steel is determined by a) tensile test b) compressive test c) shear test d) pull-out test 19 / 50 19. The unit weight of RCC is taken as a) 2.2 t/m³ b) 2.3 t/m³ c) 2.4 t/m³ d) 2.5 t/m³ 20 / 50 20. The minimum amount of steel required in RCC column (230x350) is a) 360 mm² b) 460 mm² c) 560 mm² d) 600 mm² 21 / 50 21. The diameter of bars normally used in a column is a) 10-25 mm b) 12-25 mm c) 14-25 mm d) all of the above 22 / 50 22. After casting, an ordinary cement concrete on drying a) shrinks b) expands c) remains unchanged d) can expand or shrink 23 / 50 23. If the effective length of a 32 cm diameter column is 4.40 mts slenderness ratio is a) 45 b) 50 c) 55 d) 60 24 / 50 24. Main reinforcement in an RCC beam is used for a) bending moment b) shear force c) moment of resistance d) none of the above 25 / 50 25. An RCC roof slab is designed as a two-way slab if a) it supports live load in both directions b) the ratio of spans in both directions is less than two c) the slab is continuous over two supports d) the slab is discontinuous at edges 26 / 50 26. Poisson's ratio for concrete a) increases with a richer mix b) decreases with a richer mix c) remains constant d) increases with a poor mix 27 / 50 27. As per IS: 456, the column is considered as a short column if its slenderness ratio is more than a) 10 b) 15 c) 18 d) 24 28 / 50 28. In the analysis of a doubly reinforced beam, the assumption made is a) tension is resisted by concrete only b) compression is resisted by concrete only c) the deformations in concrete and steel on both sides remain proportional to their distance from the neutral axis d) all of the above 29 / 50 29. The workability of concrete can be improved by a) more sand b) more cement c) more fine aggregate d) fineness of coarse aggregate 30 / 50 30. Due to shrinkage stress, a simply supported beam having reinforcement only at the bottom tends to a) deflect downward b) deflect upward c) deflect upward or downward d) none of the above 31 / 50 31. If A is the fineness modulus of coarse aggregate, B of combined aggregates, and C of fine aggregates, then P the proportion of fine to combined aggregates, is given by a) P = (A-B/B-C)x100 b) P = (A-B/C-B)x100 c) P = (C-B/A-B)x100 d) P = (B-C/A-B)x100 32 / 50 32. The load-carrying capacity of helically reinforced column compared to a tied column is a) 5% less b) 5% more c) 10% less d) 10% more 33 / 50 33. 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 34 / 50 34. A reinforced concrete beam will crack if tensile stress set up in the concrete below the neutral axis is a) less than the permissible stress b) more than the permissible stress c) equal to the permissible stress d) any one of the above 35 / 50 35. Minimum spacing between horizontal parallel reinforcements of different sizes should not be less than a) one times the thinner bar b) two times the thinner bar c) one times the thicker bar d) two times the thicker bar 36 / 50 36. The entrapped air in concrete a) increases workability b) decreases workability c) increases strength d) none of the above 37 / 50 37. If a beam is loaded transversely the maximum compressive stress develops on a) top fibre b) neutral axis c) bottom fibre d) every cross-section 38 / 50 38. Factor of safety is given by a) ultimate load /working load b) working load / ultimate load c) (w+u)load d) (u-w)load 39 / 50 39. In a two-way slab, the lifting of corners occurs due to a) zero moment at the center b) torsional moments on the slab c) unbalanced moments on the slab d) none of the above 40 / 50 40. The neutral axis of a T-beam exists a) within the flange b) at the bottom edge of the slab c) below the slab d) all of the above 41 / 50 41. The ultimate tensile strength of structural mild steel is about a) 160 N/mm² b) 260 N/mm² c) 520 N/mm² d) 420 N/mm² 42 / 50 42. The minimum diameter of bars for a slab is generally a) 6 mm b) 8 mm c) 10 mm d) 12 mm 43 / 50 43. The radius of bar bend to form a hook should not be less than a) twice the diameter b) thrice the diameter c) four times the diameter d) five times the diameter 44 / 50 44. The center-to-center spacing of vertical stirrups in a rectangular beam is a) minimum near the support b) maximum near the support c) minimum near the center d) none of the above 45 / 50 45. A doubly reinforced beam is used a) when extra safety factor is required b) when the depth and width of the beam are restricted c) when the depth of the beam is more than the width d) a large moment of resistance is desired 46 / 50 46. Modulus of elasticity for concrete improves by a) age b) higher w/c ratio c) shorter curing period d) all of the above 47 / 50 47. For an RCC section, select the most true statement from the following a) Bond stress = Bond Load/X-area of rebar b) In a doubly reinforced section, rebars are placed at two tiers on the tensile face c) Shear stress (π) is perpendicular to the material cross-section d) Shear stress in rebar is calculated as (π) = Shear force/Nominal surface area of rebar 48 / 50 48. The ultimate bending compressive strain in RCC is a) 0.003 b) 0.0035 c) 0.0003 d) none of the above 49 / 50 49. Steel beam theory is used for a) design of a simple steel beam b) steel beam encased in concrete c) a beam if shear exceeds 4 times allowable shear stress d) doubly reinforced beams ignoring compressive stress in concrete 50 / 50 50. The minimum straight lap length in tension bars with hooks in an RCC beam is a) 15 times the diameter of the bar or 200mm b) 12 times the diameter of the bar or 400mm c) 20 times the diameter of the bar or 400mm d) none of the above Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Structural Design MCQ PDF for Offline Study
