MCQOPTIONS
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MCQOPTIONS
This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Geotechnical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The influence factor Iw for rigid rectangular footing with L/B = 1.5 is ____________ |
| A. | 0.88 |
| B. | 0.82 |
| C. | 1.70 |
| D. | 1.06 |
| Answer» E. | |
| 2. |
A combined footing may be rectangular in shape if both the columns carry ___________ |
| A. | Unequal loads |
| B. | Equal loads |
| C. | No load |
| D. | All of the mentioned |
| Answer» C. No load | |
| 3. |
The value of Es used in the immediate settlement equation, can be found out using _____________ |
| A. | Triaxial test |
| B. | Compression test |
| C. | Direct shear test |
| D. | Rankine’s theory |
| Answer» B. Compression test | |
| 4. |
The equation for computing immediate settlement “Si = μ0μ1 q B ( 1-μ2/Es )” was proposed by ___________ |
| A. | Janbu |
| B. | Bjerrum |
| C. | Kjaernsli |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
The influence factor for rigid square footing is ____________ |
| A. | 0.88 |
| B. | 0.82 |
| C. | 1.06 |
| D. | 1.70 |
| Answer» C. 1.06 | |
| 6. |
The immediate settlement can be computed from the expression, based on ____________ |
| A. | Theory of plasticity |
| B. | Theory of elasticity |
| C. | Terzaghi’s analysis |
| D. | Pressure distribution |
| Answer» C. Terzaghi’s analysis | |
| 7. |
The total settlement of a footing in clay is considered to be consisting of ___________ components. |
| A. | One |
| B. | Three |
| C. | Two |
| D. | Four |
| Answer» C. Two | |
| 8. |
In a combined footing for two columns carrying unequal loads, the maximum hogging moment occurs at |
| A. | The inside face of the heavier column |
| B. | A section equidistant from both the column |
| C. | A section subjected to maximum shear force |
| D. | A section subjected to zero shear force |
| Answer» E. | |
| 9. |
If B is the width of footing, W is the load per metre and P is the safe bearing capacity of the soil, then the correct relation amongst them will be: |
| A. | W = B/P |
| B. | B = W/P |
| C. | P = WB |
| D. | B = WP |
| Answer» C. P = WB | |
| 10. |
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 | |
| 11. |
In reinforced and plain concrete footing resting on soils, the thickness at edge shall not be less than: |
| A. | 30 cm |
| B. | 50 cm |
| C. | 15 cm |
| D. | 25 cm |
| Answer» D. 25 cm | |
| 12. |
A 230 mm brick masonry wall is to be provided with a reinforced concrete footing onsite having soil with safe bearing capacity of 125 kN/m2, unit weight of 17.5 kN/m3 and angle of shearing resistance of 30°. The depth of footing will be nearly |
| A. | 0.8 m |
| B. | 0.7 m |
| C. | 0.6 m |
| D. | 0.5 m |
| Answer» B. 0.7 m | |
| 13. |
For a proposed building, raft foundation, isolated footings and combined footings are being considered. These foundations are to be listed in the decreasing order of preference in terms of performance. Which one of the following is the correct order of listing? |
| A. | Raft foundation - Combined footings - Isolated footings |
| B. | Isolated footings - Raft foundations - Combined footings |
| C. | Combined footings - Raft foundations - Isolated footings |
| D. | Combined footings - Isolated footings - Raft foundations |
| Answer» B. Isolated footings - Raft foundations - Combined footings | |
| 14. |
Footings shall be designed to sustain the1. Applied loads2. Moments and forces under relatable loading conditions3. Induced reactions |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 15. |
In reinforced concrete footings, the minimum value of nominal cover for the reinforcing bar, to meet the durability requirement is: |
| A. | 30 mm |
| B. | 50 mm |
| C. | 40 mm |
| D. | 45 mm |
| Answer» C. 40 mm | |
| 16. |
As per IS 456:2000, in reinforced and plain concrete footings the thickness at the edge shall NOT be less than_____ for footings. |
| A. | 25 cm |
| B. | 50 cm |
| C. | 15 cm |
| D. | 35 cm |
| E. | 55 cm |
| Answer» D. 35 cm | |
| 17. |
In an isolated reinforced concrete footing of effective depth d, the stress in punching shear is checked |
| A. | at the centre of the column |
| B. | at the face of the column |
| C. | at a distance d/2 away from the face of the column |
| D. | at a distance d/2 away from the centre of the column |
| Answer» D. at a distance d/2 away from the centre of the column | |
| 18. |
A shear key is provided in a retaining wall to avoid |
| A. | Sliding |
| B. | Overturning |
| C. | Buckling |
| D. | Bending |
| Answer» B. Overturning | |
| 19. |
In limit state method of design, the value of permissible shear stress in concrete when shear reinforcement is not provided is |
| A. | 0.16(fck)½ |
| B. | 0.25(fck)½ |
| C. | 0.34(fck)½ |
| D. | 0.48(fck)½ |
| Answer» C. 0.34(fck)½ | |
| 20. |
During earthquakes, the corner and edge columns may be subjected to |
| A. | Uniaxial bending |
| B. | Biaxial bending |
| C. | Combined biaxial bending and torsion |
| D. | Combined biaxial bending and tension |
| Answer» E. | |
| 21. |
In case of _______ footing, columns and walls of a building bear on one large, thick reinforced concrete slab. |
| A. | pile |
| B. | open |
| C. | grillage |
| D. | mat |
| Answer» E. | |
| 22. |
If q is the punching shear resistance per unit area, a is the side of square footing for a column side b, carrying a weight W including the weight of footing, the depth of footing (D) considering the punching shear resistance is |
| A. | \(D = \frac{W(a-b)}{4a^2bq}\) |
| B. | \(D = \frac{W(a^2-b^2)}{4a^2bq}\) |
| C. | \(D = \frac{W(a^2-b^2)}{8a^2bq}\) |
| D. | \(D = \frac{W(a^2-b^2)}{4abq}\) |
| Answer» C. \(D = \frac{W(a^2-b^2)}{8a^2bq}\) | |
| 23. |
A concrete column carries an axial load on 450 kN and a bending moment of 60 kNm at its base. An isolated footing of size 2 m × 3 m with the 3 m side along the plane of the bending moment is provided under the column. Centres of gravity of the column and the footing coincide. The net maximum and minimum pressures, in kPa, in the soil under the footing are, respectively |
| A. | 95 and 75 |
| B. | 75 and 55 |
| C. | 95 and 55 |
| D. | 75 and 75 |
| Answer» D. 75 and 75 | |
| 24. |
The influence factor Iw for rigid rectangular footing with L / B = 1.5 is___________? |
| A. | 0.88 |
| B. | 0.82 |
| C. | 1.70 |
| D. | 1.06 |
| Answer» E. | |
| 25. |
A combined footing may be rectangular in shape if both the columns carry___________ |
| A. | Unequal loads |
| B. | Equal loads |
| C. | No load |
| D. | All of the mentioned |
| Answer» C. No load | |
| 26. |
The value of Es used in the immediate settlement equation, can be found out using_____________ |
| A. | Triaxial test |
| B. | Compression test |
| C. | Direct shear test |
| D. | Rankine’s theory |
| Answer» B. Compression test | |
| 27. |
The equation for computing immediate settlement “Si = μ0μ1 q B ( 1-μ2/Es )” was proposed by___________$ |
| A. | Janbu |
| B. | Bjerrum |
| C. | Kjaernsli |
| D. | All of the mentioned |
| Answer» E. | |
| 28. |
The influence factor for rigid square footing is____________ |
| A. | 0.88 |
| B. | 0.82 |
| C. | 1.06 |
| D. | 1.70 |
| Answer» C. 1.06 | |
| 29. |
The immediate settlement can be computed from the expression, based on____________ |
| A. | Theory of plasticity |
| B. | Theory of elasticity |
| C. | Terzaghi’s analysis |
| D. | Pressure distribution |
| Answer» C. Terzaghi‚Äö√Ñ√∂‚àö√ë‚àö¬•s analysis | |
| 30. |
The component Sc, used in the total settlement of clay refers to which of the following? |
| A. | Total settlement |
| B. | Consolidation settlement |
| C. | Immediate plastic settlement |
| D. | Settlement due to secondary consolidation of clay |
| Answer» C. Immediate plastic settlement | |
| 31. |
The total settlement of a footing in clay is considered to be consisting of___________components. |
| A. | One |
| B. | Three |
| C. | Two |
| D. | Four |
| Answer» C. Two | |