# RCC Structural Design Mock test – 5 || Civil Engineering Mock tests

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1. For stairs spanning horizontally, the minimum waist provided is
2. The live load to be considered for an inaccessible roof, is
3. In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
4. The diameter of longitudinal bars of a column should never be less than
5. The radius of a bar bend to form a hook, should not be less than
6. If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in  two directions, then the sum of the maximum positive bending moment and average of the  negative bending moment for the design of the span of a square flat slab, should not be less than
7. A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed  load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile  stress of steel is 1400 kg/cm2, the area of steel required, is
8. A foundation is called shallow if its depth, is
9. A pre-stressed concrete member
10. If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840  kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
11. The amount of reinforcement for main bars in a slab, is based upon
12. If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is
13. [A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by
14. An R.C.C. roof slab is designed as a two way slab if
15. A flat slab is supported
16. 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,
17. If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least
18. The horizontal portion of a step in a stairs case, is known as
19. The number of treads in a flight is equal to
20. If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80  kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is
21. The toe projection of foundation slabs is taken
22. A circular slab subjected to external loading, deflects to form a
23. The shear reinforcement in R.C.C. is provided to resist
24. If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is
25. A pile of length carrying a uniformly distributed load per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be

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