Civil Engineering RCC design Mock test – 2 Welcome to your RCC structures Design Mock test - 2 Take an exciting test in RCC structures You have only 20 mins to complete the test (30 Questions) Wish you all the best!!! Name Name 1. If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a A. simply supported beam B. continuous beam C. cantilever beam D. none of these.2. The maximum shear stress (qmax) in a rectangular beam is A. 1.25 times the average B. 1.50 times the average C. 1.75 times the average D. 2.0 times the average3. If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by A. 0.2 B. 0.3 C. 0.4 D. 0.5 E. 0.74. To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is A. 0.107 L B. 0.207 L C. 0.307 L D. 0.407 L5. 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 E. 10 mm6. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis A. remains within the flange B. remains below the slab C. coincides the geometrical centre of the beam D. none of these.7. The length of the straight portion of a bar beyond the end of the hook, should be at least A. twice the diameter B. thrice the diameter C. four times the diameter D. five times the diameter E. seven times the diameter.8. If the depth of actual neutral axis of a doubly reinforced beam A. is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier B. is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier C. is equal to the depth of critical neutral axis, the concrete and steel attain their maximum stresses simultanesouly D. all the above.9. The length of lap in tension reinforcement should not be less than the bar diameter x (actual tension / four times the permissible average bond stress) if it is more than A. 18 bar diameters B. 24 bar diameters C. 30 bar diameters D. 36 bar diameters10. The maximum diameter of a bar used in a ribbed slab, is A. 12 mm B. 6 mm C. 20 mm D. 22 mm E. 24 mm11. Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to A. shear force B. area of the section C. distance of the C.G. of the area from its neutral axis D. moment of the beam section about its neutral axis12. The shear reinforcement in R.C.C. is provided to resist A. vertical shear B. horizontal shear C. diagonal compression D. diagonal tension.13. [A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by A. modular ratio method B. load factor method C. ultimate load method D. none of these.14. The live load to be considered for an inaccessible roof, is A. Nil B. 75 kg/m2 C. 150 kg/cm2 D. 200 kg/m215. In a simply supported slab the minimum spacing of distribution reinforcement, should be four times the effective thickness of the slab or A. 20 cm B. 30 cm C. 40 cm D. 50 cm E. 60 cm16. In a singly reinforced beam, the effective depth is measured from its compression edge to A. tensile edge B. tensile reinforcement C. neutral axis of the beam D. longitudinal central axis.17. Steel beam theory is used for A. design of simple steel beams B. steel beams encased in concrete C. doubly reinforced beams ignoring compressive stress in concrete D. beams if shear exceeds 4 times allowable shear stress.18. Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam A. are curtailed if not required to resist the bending moment B. are bent up at suitable places to serve as shear reinforcement C. are bent down at suitable places to serve as shear reinforcement D. are maintained at bottom to provide at least local bond stress.19. 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 curve20. The thickness of the topping of a ribbed slab, varies between A. 3 cm to 5 cm B. 5 cm to 8 cm C. 8 cm to 10 cm D. 12 cm to 15 cm E. 12 cm to 18 cm21. Distribution reinforcement in a simply supported slab, is provided to distribute A. load B. temperature stress C. shrinkage stress D. all the above.22. The toe projection of foundation slabs is taken A. as one third of the base B. as one sixth of overall height of the wall C. equal to heel slab D. below ground surface.23. 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 weight24. To ensure uniform pressure distribution, the thickness of the foundation, is A. kept uniform throughout B. increased gradually towards the edge C. decreased gradually towards the edge D. kept zero at the edge.25. The horizontal portion of a step in a stairs case, is known as A. rise B. flight C. winder D. tread.26. The radius of a 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 diameter27. According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than A. 20 cm B. 30 cm C. 40 cm D. 50 cm28. Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of A. h/4 B. h/3 C. h/2 D. 2h/329. The maximum ratio of span to depth of a cantilever slab, is A. 8 B. 10 C. 12 D. 14 E. 1630. For stairs spanning horizontally, the minimum waist provided is A. 4 cm B. 6 cm C. 8 cm D. 10 cm E. 12 cm.