MCQOPTIONS
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MCQOPTIONS
This section includes 55 Mcqs, each offering curated multiple-choice questions to sharpen your Uncategorized topics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If W is the uniformly distributed load on a circular slab of radius R fixed at tsends, the maximum positive radial moment at its centre, is |
| A. | 3WR /16 |
| B. | 2WR /16 |
| C. | WR /16 |
| D. | None of these |
| Answer» E. | |
| 2. |
Lapped splices in tensile reinforcement are generally not used for bars of size larger than |
| A. | 18 mmdiameter |
| B. | 24 mmdiameter |
| C. | 30 mmdiameter |
| D. | 36 mmdiameter |
| Answer» E. | |
| 3. |
The maximum ratio of span to depth of a slab simply supported and |
| A. | 35 |
| B. | 25 |
| C. | 30 |
| D. | 20 |
| Answer» E. | |
| 4. |
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than |
| A. | Onediameter |
| B. | 2.5 diameters |
| C. | 3 diameters |
| D. | 3.5 diameters |
| Answer» B. 2.5 diameters | |
| 5. |
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension |
| A. | Two times |
| B. | Three times |
| C. | Four times |
| D. | Five times |
| Answer» D. Five times | |
| 6. |
In a public building width of stair should be at least |
| A. | 1000 mm |
| B. | 1200 mm |
| C. | 1500 mm |
| D. | 1800 mm |
| Answer» E. | |
| 7. |
The maximum permissible size of aggregates to be used in casting the ribs of a slab, is |
| A. | 5 mm |
| B. | 7.5 mm |
| C. | 10 mm |
| D. | 15 mm |
| Answer» D. 15 mm | |
| 8. |
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam |
| A. | Are curtailed if not required to resist the bendingmoment |
| B. | Are bent up at suitable places to serve as shearreinforcement |
| C. | Are bent down at suitable places to serve asshear reinforcement |
| D. | Are maintained at bottom to provide at least local bond stress |
| Answer» D. Are maintained at bottom to provide at least local bond stress | |
| 9. |
Steel bars are generally connected together to get greater length than the standard length by providing |
| A. | Straight bar splice |
| B. | Hooked splice |
| C. | Dowel splice |
| D. | All the above |
| Answer» E. | |
| 10. |
Top bars are extended to the projecting parts of the combined footing of two columns Ldistance apart for a distance of |
| A. | 0.1 L from the outer edge of column |
| B. | 0.1 L from the centre edge ofcolumn |
| C. | Half the distance of projection |
| D. | One-fourth the distance of projection |
| Answer» C. Half the distance of projection | |
| 11. |
The design of heel slab of a retaining wall is based on the maximum bending moment due to: |
| A. | Its own weight |
| B. | Weight of the soil above it |
| C. | Load of the surcharge, if any |
| D. | All the above |
| Answer» E. | |
| 12. |
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 ellipticalcurve |
| Answer» D. An ellipticalcurve | |
| 13. |
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 |
| Answer» C. 6 mm | |
| 14. |
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 barsprovided |
| D. | All the above |
| Answer» E. | |
| 15. |
Distribution reinforcement in a simply supported slab, is provided to distribute |
| A. | Load |
| B. | Temperature stress |
| C. | Shrinkage stress |
| D. | All the above |
| Answer» E. | |
| 16. |
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 |
| Answer» C. Every section | |
| 17. |
For M 15 mix concrete, according to I.S. specifications, local bond stress, is |
| A. | 5 kg/cm2 |
| B. | 10 kg/cm2 |
| C. | 15 kg/cm2 |
| D. | 20 kg/cm2 |
| Answer» C. 15 kg/cm2 | |
| 18. |
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 |
| Answer» E. | |
| 19. |
By over-reinforcing a beam, the moment of resistance can be increased not more than |
| A. | 10 % |
| B. | 15 % |
| C. | 20 % |
| D. | 25 % |
| Answer» E. | |
| 20. |
Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds Drop panel |
| A. | 50 cm |
| B. | 75 cm |
| C. | 100 cm |
| D. | 120 cm |
| Answer» C. 100 cm | |
| 21. |
The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is |
| A. | 25 |
| B. | 30 |
| C. | 35 |
| D. | 40 |
| Answer» D. 40 | |
| 22. |
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| Answer» D. 25 | |
| 23. |
A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| Answer» C. 20 | |
| 24. |
For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is |
| A. | 0.6 |
| B. | 0.7 |
| C. | 0.8 |
| D. | 0.9 |
| Answer» E. | |
| 25. |
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 |
| Answer» B. Remains below the slab | |
| 26. |
For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to |
| A. | 10 |
| B. | 15 |
| C. | 20 |
| D. | 25 |
| Answer» D. 25 | |
| 27. |
The stress strain curve for concrete is considered parabolic by I.S. code upto a strain of |
| A. | 0.0015 |
| B. | 0.0020 |
| C. | 0.0030 |
| D. | 0.0035 |
| Answer» E. | |
| 28. |
Various types of steel used in RCC |
| A. | Fe 415 |
| B. | Fe 250 |
| C. | Fe 500 |
| D. | All of the above |
| Answer» D. All of the above | |
| 29. |
If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is |
| A. | 10 mm |
| B. | 12 mm |
| C. | 14 mm |
| D. | 16 mm |
| Answer» E. | |
| 30. |
The vertical portion of a step in a stairs case, is known as |
| A. | Rise |
| B. | Flight |
| C. | Winder |
| D. | Tread |
| Answer» B. Flight | |
| 31. |
Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than |
| A. | One diameter of thinner bar |
| B. | One diameter of thicker bar |
| C. | Twice the diameter of thinner bar |
| D. | None of these |
| Answer» C. Twice the diameter of thinner bar | |
| 32. |
If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is |
| A. | 40 |
| B. | 45 |
| C. | 50 |
| D. | 55 |
| Answer» E. | |
| 33. |
When minimum eccentricity in columns does not exceed 0.05 times the lateral dimension, the axial load carrying capacity is reduced by |
| A. | 8% |
| B. | 11% |
| C. | 14% |
| D. | 20% |
| Answer» C. 14% | |
| 34. |
The bond strength between steel and concrete is due to |
| A. | friction |
| B. | adhesion |
| C. | both friction and adhesion |
| D. | None of these |
| Answer» D. None of these | |
| 35. |
If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be. |
| A. | Straight below centroidal axis |
| B. | Parabolic with convexity downward |
| C. | Parabolic with convexity upward |
| D. | Straight above centroidal axis |
| Answer» C. Parabolic with convexity upward | |
| 36. |
The load carrying capacity of helically reinforced column as compared to |
| A. | 5% less |
| B. | 10% less |
| C. | 5% more |
| D. | 10% more |
| Answer» D. 10% more | |
| 37. |
Limit state method is based on probable |
| A. | Load |
| B. | Strength. |
| C. | Both A and B |
| D. | none |
| Answer» D. none | |
| 38. |
The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is |
| A. | 1400 kg/cm2 |
| B. | 190 kg/cm2 |
| C. | 260 kg/cm2 |
| D. | 230 kg/cm2 |
| Answer» B. 190 kg/cm2 | |
| 39. |
What is the minimum number of longitudinal bars provided in a reinforced concrete column of circular circular cross-section ? |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 40. |
What should be the minimum grade of reinforced concrete in and around sea coast construction ? |
| A. | M 35 |
| B. | M 30 |
| C. | M 25 |
| D. | M 20 |
| Answer» C. M 25 | |
| 41. |
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than |
| A. | 5 cm |
| B. | 10 cm |
| C. | 15 cm |
| D. | 20 cm |
| Answer» D. 20 cm | |
| 42. |
If no compression steel is used, two suspended bars of minimum ______ diameter should be used to support shear reinforcement |
| A. | 8 mm |
| B. | 10 mm |
| C. | 12 mm |
| D. | 16 mm |
| Answer» C. 12 mm | |
| 43. |
The ratio of permissible shear stress in limit state method oof design and working stress method of design is |
| A. | 25 : 16 |
| B. | 5 : 4 |
| C. | 16 : 25 |
| D. | 4 : 5 |
| Answer» B. 5 : 4 | |
| 44. |
The minimum reinforcement using mild steel in slab should not be less than |
| A. | 0.10% |
| B. | 0.12% |
| C. | 0.15% |
| D. | 2.0% |
| Answer» D. 2.0% | |
| 45. |
For water retaining structures, minimum grade of concrete to be used is |
| A. | M 15 |
| B. | M 20 |
| C. | M 25 |
| D. | M 40 |
| Answer» D. M 40 | |
| 46. |
Thickened part of a flat slab over its supporting column, is technically known as |
| A. | Drop panel |
| B. | Capital |
| C. | Column head |
| D. | None of these |
| Answer» B. Capital | |
| 47. |
Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds |
| A. | 50 cm |
| B. | 75 cm |
| C. | 100 cm |
| D. | 120 cm |
| Answer» C. 100 cm | |
| 48. |
For a simply supported beam of span 15 m, the minimum effective depth to satisfy the vertical deflection limits should be |
| A. | 600 mm |
| B. | 750 mm |
| C. | 900 mm |
| D. | more than 1 m |
| Answer» E. | |
| 49. |
The pitch of the main bars in a simply supported slab, should not exceed its effective depth by |
| A. | Three times |
| B. | Four times |
| C. | Five times |
| D. | Six times |
| Answer» E. | |
| 50. |
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than |
| A. | 42 diameters from the centre of the column |
| B. | 42 diameters from the inner edge of the column |
| C. | 42 diameters from the outer edge of the column |
| D. | 24 diameters from the centre of the column |
| Answer» D. 24 diameters from the centre of the column | |