MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 430 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
A pre-cast pile generally used, is |
| A. | Circular |
| B. | Square |
| C. | Octagonal |
| D. | Square with corners chamfered |
| Answer» E. | |
| 402. |
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 the above |
| Answer» E. | |
| 403. |
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is |
| A. | Safe in shear |
| B. | Is safe with stirrups |
| C. | Is safe with stirrups and inclined members |
| D. | Needs revision of the section |
| Answer» B. Is safe with stirrups | |
| 404. |
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. | |
| 405. |
The minimum thickness of a flat slab is taken |
| A. | L/32 for end panels without drops |
| B. | L/36 for end panels without drops |
| C. | L/36 for interior panels without drop |
| D. | All the above |
| Answer» E. | |
| 406. |
The minimum clear cover for R.C.C. columns shall be |
| A. | Greater of 40 mm or diameter |
| B. | Smaller of 40 mm or diameter |
| C. | Greater of 25 mm or diameter |
| D. | Smaller of 25 mm or diameter |
| Answer» D. Smaller of 25 mm or diameter | |
| 407. |
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus |
| A. | Triangular load of the wall |
| B. | UDL of wall |
| C. | UDL of wall + load from the roof |
| D. | Triangular load + load from the roof |
| Answer» D. Triangular load + load from the roof | |
| 408. |
In a pre-stressed member it is advisable to use |
| A. | Low strength concrete only |
| B. | High strength concrete only |
| C. | Low strength concrete but high tensile steel |
| D. | High strength concrete and high tensile steel |
| Answer» E. | |
| 409. |
For M 150 grade concrete (1:2:4) the moment of resistance factor is |
| A. | 0.87 |
| B. | 8.50 |
| C. | 7.50 |
| D. | 5.80 |
| Answer» C. 7.50 | |
| 410. |
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 of column |
| C. | Half the distance of projection |
| D. | One-fourth the distance of projection |
| Answer» C. Half the distance of projection | |
| 411. |
The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of |
| A. | 10 mm |
| B. | 15 mm |
| C. | 20 mm |
| D. | 25 mm |
| Answer» E. | |
| 412. |
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. | |
| 413. |
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 |
| Answer» D. Are maintained at bottom to provide at least local bond stress | |
| 414. |
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 | |
| 415. |
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 |
| Answer» D. Kept zero at the edge | |
| 416. |
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 |
| Answer» D. None of these | |
| 417. |
The width of the flange of a L-beam, should be less than |
| A. | One-sixth of the effective span |
| B. | Breadth of the rib + four times thickness of the slab |
| C. | Breadth of the rib + half clear distance between ribs |
| D. | Least of the above |
| Answer» E. | |
| 418. |
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 | |
| 419. |
A very comfortable type of stairs is |
| A. | Straight |
| B. | Dog legged |
| C. | Geometrical |
| D. | Open newel |
| Answer» E. | |
| 420. |
For a ribbed slab |
| A. | Clear spacing between ribs shall not be greater than 4.5 cm |
| B. | Width of the rib shall not be less than 7.5 cm |
| C. | Overall depth of the slab shall not exceed four times the breadth of the rib |
| D. | All the above |
| Answer» E. | |
| 421. |
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than |
| A. | One diameter |
| B. | 2.5 diameters |
| C. | 3 diameters |
| D. | 3.5 diameters |
| Answer» B. 2.5 diameters | |
| 422. |
Lapped splices in tensile reinforcement are generally not used for bars of size larger than |
| A. | 18 mm diameter |
| B. | 24 mm diameter |
| C. | 30 mm diameter |
| D. | 36 mm diameter |
| Answer» E. | |
| 423. |
In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as |
| A. | A key |
| B. | A cut-off wall |
| C. | A rib |
| D. | All the above |
| Answer» E. | |
| 424. |
The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept |
| A. | 0.7 |
| B. | 0.8 |
| C. | 0.9 |
| D. | 0.6 |
| Answer» D. 0.6 | |
| 425. |
If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is |
| A. | Square |
| B. | Rectangular |
| C. | Trapezoidal |
| D. | Triangular |
| Answer» C. Trapezoidal | |
| 426. |
The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is |
| A. | 35 |
| B. | 25 |
| C. | 30 |
| D. | 20 |
| Answer» D. 20 | |
| 427. |
The diameter of the column head support a flat slab, is generally kept |
| A. | 0.25 times the span length |
| B. | 0.25 times the diameter of the column |
| C. | 4.0 cm larger than the diameter of the column |
| D. | 5.0 cm larger than the diameter of the column |
| Answer» B. 0.25 times the diameter of the column | |
| 428. |
The load stress of a section can be reduced by |
| A. | Decreasing the lever arm |
| B. | Increasing the total perimeter of bars |
| C. | Replacing larger bars by greater number of small bars |
| D. | Replacing smaller bars by greater number of greater bars |
| Answer» D. Replacing smaller bars by greater number of greater bars | |
| 429. |
According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is |
| A. | Half of the width of the slab |
| B. | Two-third of the width of the slab |
| C. | Three-fourth of the width of the slab |
| D. | Four-fifth of the width of the slab |
| Answer» D. Four-fifth of the width of the slab | |
| 430. |
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2 , the beam |
| A. | Is safe in shear |
| B. | Is safe with stirrups |
| C. | Is safe with stirrups and inclined bars |
| D. | Needs revision of section |
| Answer» E. | |