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This section includes 99 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. |
In the process of pile foundation, boring is done with the help of _________ |
A. | Boring guide |
B. | Under-reamer |
C. | Spiral auger |
D. | Pile beams |
Answer» D. Pile beams | |
2. |
The base of an vibro-pile should be in the shape of ___________ |
A. | Conical shoe |
B. | Mushroom |
C. | Sphere |
D. | Rectangle |
Answer» B. Mushroom | |
3. |
There are __________ types of bored piles. |
A. | 4 |
B. | 2 |
C. | 5 |
D. | 3 |
Answer» E. | |
4. |
Pile groups in under-reamed pile foundation can be tested by means of _________ |
A. | Free standing piles and Pile foundation |
B. | Cannot be tested |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Cannot be tested | |
5. |
The dimension of the bulb in an under-reamed pile can be checked by __________ |
A. | Meter scale |
B. | G.I pipe assembly |
C. | Auger |
D. | Under-reamer |
Answer» C. Auger | |
6. |
The equipment required for construction of a under-reamed pile is________ |
A. | Auger boring guide |
B. | Spiral auger |
C. | Concreting funnel |
D. | All of the mentioned |
Answer» E. | |
7. |
Which of the following pile is used, when the ground is soft? |
A. | Franki pile |
B. | Simplex pile |
C. | Vibro-piles |
D. | Pedestal piles |
Answer» D. Pedestal piles | |
8. |
The Raymond standard pile is used primarily as a________ |
A. | Compaction pile |
B. | Tension pile |
C. | Friction pile |
D. | End bearing pile |
Answer» D. End bearing pile | |
9. |
The bearing capacity of vibro-pile can be increased by ________ |
A. | Increasing its diameter |
B. | Elongation of the pile |
C. | By using cone-shape base at the bottom |
D. | By adding more load |
Answer» B. Elongation of the pile | |
10. |
Raymond concrete pile is reinforced with _________ |
A. | Corrugated steel shell |
B. | Steel mandrel |
C. | Steel bars |
D. | None of the mentioned |
Answer» B. Steel mandrel | |
11. |
In bored pile, concreting is done by using ___________ |
A. | Auger |
B. | Casing tube |
C. | Under-reamer |
D. | Concrete plug |
Answer» C. Under-reamer | |
12. |
The uncased cast-in-situ piles can be used only in the condition, where _______ |
A. | Water should not fall in the hole and Adjacent pile will not damage the concrete |
B. | Seasonal condition change |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Seasonal condition change | |
13. |
If tamping of concrete is provided at regular intervals in a simplex pile, it is called as ________ |
A. | Simplex standard pile |
B. | Simplex tamped pile |
C. | Tamped standard pie |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
14. |
The type of cased piles used in soil, where the driving is very hard? |
A. | McArthur cased pile |
B. | Raymond standard pile |
C. | Western button bottom piles |
D. | Swage pile |
Answer» E. | |
15. |
Modern pile driving method was first invented by ___________ |
A. | Romans |
B. | Nasmyth |
C. | Terzaghi |
D. | Vitruvious |
Answer» C. Terzaghi | |
16. |
The types of hammer used for driving piles are ___________ |
A. | Drop hammer |
B. | Diesel hammer |
C. | Vibratory hammer |
D. | All of the mentioned |
Answer» E. | |
17. |
If a hammer is raised by steam and allowed to fall by gravity on top of the pile, it is called as________ |
A. | Diesel hammer |
B. | Vibratory hammer |
C. | Single acting hammer |
D. | Drop hammer |
Answer» D. Drop hammer | |
18. |
Piles are commonly driven in to ground by means of special device called __________ |
A. | Pile driver and Hammer |
B. | Driller |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Driller | |
19. |
Which of the following are some of the commonly used dynamic formula? |
A. | Engineers News formula and Hiley’s formula |
B. | Static formula |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Static formula | |
20. |
The greater objection to any of the pile driving formulae is _________ |
A. | Uncertainty in relation between dynamic and static resistance |
B. | Shear strength of the soil |
C. | Uncertainty in the allowable pressure |
D. | None of the mentioned |
Answer» B. Shear strength of the soil | |
21. |
The static formula is based on the assumption that the ultimate bearing capacity Qup is equal to ___________ |
A. | Rf + Qa |
B. | Rf + Rp |
C. | As + Ap |
D. | Q up / F |
Answer» C. As + Ap | |
22. |
Dynamic formula does not indicate about _________ |
A. | Temporary change in soil structure and Future settlement |
B. | Allowable load |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Allowable load | |
23. |
The dynamic formula is valueless for which of the following type of soil? |
A. | Loose sand |
B. | Saturated soil |
C. | Clay soil |
D. | Compacted soil |
Answer» D. Compacted soil | |
24. |
The area of the pile group along the failure surface is equal to __________ |
A. | Perimeter × Area of cross section |
B. | Breadth × Length |
C. | Perimeter × Length |
D. | Perimeter/area of cross section |
Answer» D. Perimeter/area of cross section | |
25. |
The pile spacing of each pile is taken as __________ diameter of the pile. |
A. | Four |
B. | Five |
C. | Three |
D. | Ten |
Answer» D. Ten | |
26. |
The downward drag acting on a pile due to the movement of the surrounding is called ________ |
A. | Skin friction |
B. | Negative skin friction |
C. | Frictional force |
D. | None of the mentioned |
Answer» C. Frictional force | |
27. |
In which of the following rule, the value of each pile is reduced by one-sixteenth? |
A. | Converse Labarre formulae |
B. | Feld’s formulae |
C. | Seiler-Keeney formulae |
D. | All of the mentioned |
Answer» C. Seiler-Keeney formulae | |
28. |
The equation used for determining the bearing capacity of a group of friction piles is __________ |
A. | Qup = Rf + Rp |
B. | Qug = n Qup . ηg |
C. | Qug = n Qup / ηg |
D. | None of the mentioned |
Answer» C. Qug = n Qup / ηg | |
29. |
The settlement of a group of friction piles can be computed on the assumption that ________ |
A. | Clay is incompressible |
B. | Pile below the lower level is ignored |
C. | Bearing resistance is zero |
D. | None of the mentioned |
Answer» B. Pile below the lower level is ignored | |
30. |
The type of bored pile that is suitable for congestion sites? |
A. | Under-reamed piles |
B. | Bored compaction piles |
C. | Pressure piles |
D. | Simplex piles |
Answer» D. Simplex piles | |
31. |
In pressure piles, the soil is excavated by _________ |
A. | Casing tube |
B. | Under-reamer |
C. | Concrete plug |
D. | All of the mentioned |
Answer» C. Concrete plug | |
32. |
The bearing value of the pressure pile can be increased by which of the following? |
A. | Cement grout |
B. | Increasing diameter |
C. | Changing the shape of base |
D. | All of the mentioned |
Answer» B. Increasing diameter | |
33. |
Composite piles are suitable for ______________ |
A. | Maximum design load |
B. | Project above the water table |
C. | Compacting the soil |
D. | Protect water front structures |
Answer» C. Compacting the soil | |
34. |
When the under-reamed pile has only one bulb, it is called _________ |
A. | Multi-under reamed pile |
B. | Single-under reamed pile |
C. | Unique-under reamed pile |
D. | All of the mentioned |
Answer» C. Unique-under reamed pile | |
35. |
Under-reamed pile foundation is most suitable for ___________ type of condition. |
A. | Seasonal moisture change |
B. | Dry conditioned soil |
C. | Cohesive type of soil |
D. | All of the mentioned |
Answer» B. Dry conditioned soil | |
36. |
A Factor of safety that should be adopted for finding an allowable load for a pile is _________ |
A. | 2.5 and 3 |
B. | 4 |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. 4 | |
37. |
The load carrying capacity of a pile can be determined by which of the following methods? |
A. | Dynamic formulae |
B. | Static formulae |
C. | Plate load test |
D. | All of the mentioned |
Answer» E. | |
38. |
Cast-in-situ piles may be classified in to ________ classes. |
A. | Three |
B. | Eight |
C. | Two |
D. | Four |
Answer» D. Four | |
39. |
Routine tests are usually carried out on _________ |
A. | Test piles |
B. | Working piles |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» C. None of the mentioned | |
40. |
Dynamic formulae are best suited for _________ type of soil. |
A. | Fine grained soil |
B. | Coarse grained soil |
C. | Cohesive soil |
D. | None of the mentioned |
Answer» C. Cohesive soil | |
41. |
For pile in cohesive soil __________ is neglected for individual pile action. |
A. | Frictional resistance |
B. | Surface area of pile |
C. | Shear strength of soil |
D. | All of the mentioned |
Answer» C. Shear strength of soil | |
42. |
The grade beams are designed for a maximum bending moment of _________ if the beams are supported. |
A. | (wL2)/50 |
B. | (wL2)/30 |
C. | (wL2) |
D. | None of the mentioned |
Answer» B. (wL2)/30 | |
43. |
When a pile hammer hits the pile, the total driving energy is equal to _________ |
A. | Weight of hammer times the height of drop |
B. | Weight of the ram time times the height of the stroke |
C. | Sum of the impact of the ram |
D. | Sum of the impact of ram plus the energy delivered by explosion |
Answer» B. Weight of the ram time times the height of the stroke | |
44. |
A major difference between the procedure of construction in bored piles and cast-in-situ driving piles is ___________ |
A. | Driving equipment |
B. | Method of driving |
C. | Concrete filling |
D. | None of the mentioned |
Answer» B. Method of driving | |
45. |
The types of uncased piles used are __________ |
A. | Swage pile |
B. | McArthur cased pile |
C. | Simplex pile |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
46. |
In dynamic formulae what are the energy losses, that is not accounted? |
A. | Energy Loss due to vibration and Energy loss due to heat |
B. | Frictional loss |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Frictional loss | |
47. |
Who was the first to develop a method for placing cast-in-situ concrete piles? |
A. | McArthur |
B. | A.M. Wellington |
C. | Raymond |
D. | Hiley |
Answer» D. Hiley | |
48. |
The test which can be used for separating load carried by the pile is _________ |
A. | Cyclic load test |
B. | Pile load test |
C. | Penetration test |
D. | All of the mentioned |
Answer» B. Pile load test | |
49. |
The types of Raymond concrete piles in use are __________ |
A. | Raymond standard concrete pile and Raymond step-taper pile |
B. | Raymond cased pile |
C. | None of the mentioned |
D. | All of the mentioned |
Answer» B. Raymond cased pile | |
50. |
The result of Dutch cone penetration test can be applied to determine _________ |
A. | Ultimate skin fraction |
B. | Total ultimate point |
C. | Ultimate bearing capacity |
D. | None of the mentioned |
Answer» D. None of the mentioned | |