MCQOPTIONS
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MCQOPTIONS
This section includes 79 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Foundation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a damped force vibratory system, the support is derived by _______ |
| A. | Co-vibrating body |
| B. | Spring mass system |
| C. | Transmitting force |
| D. | Soil mass |
| Answer» D. Soil mass | |
| 2. |
The bulb of pressure concept for calculating the apparent mass of soil was introduced by _________ |
| A. | Balakrishna and Nag raj |
| B. | Barken |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Barken | |
| 3. |
An aim of the foundation designer should be such that the frequency ratio f/fn is either less than _________ |
| A. | 1.5 |
| B. | 0.6 |
| C. | 2.0 |
| D. | 3.4 |
| Answer» C. 2.0 | |
| 4. |
Most of the motions encountered in soil dynamics are __________ |
| A. | Plane linear motion |
| B. | Motion by impact |
| C. | Horizontal motion |
| D. | All of the mentioned |
| Answer» B. Motion by impact | |
| 5. |
The permissible amplitude should not exceed ___________ for reciprocating machine. |
| A. | Probable amplitude |
| B. | Limiting amplitude |
| C. | Maximum amplitude |
| D. | Minimum amplitude |
| Answer» C. Maximum amplitude | |
| 6. |
The time for one complete oscillation of the mass in the spring system is called _________ |
| A. | Amplitude |
| B. | Time period |
| C. | Free period |
| D. | Frequency interval |
| Answer» D. Frequency interval | |
| 7. |
Which of the following expression is called the equation of motion? |
| A. | fn = k / m |
| B. | z + ωn2 z = 0 |
| C. | m z + ωn2 z = 0 |
| D. | k z + k / m = 0 |
| Answer» C. m z + ωn2 z = 0 | |
| 8. |
The mass spring system has ________ degrees of freedom. |
| A. | 4 |
| B. | 3 |
| C. | 6 |
| D. | 5 |
| Answer» D. 5 | |
| 9. |
Barken’s method is used in ___________ places. |
| A. | Congested area |
| B. | Design offices |
| C. | Working area |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 10. |
What are the horizontal forces that are prone to act on a well foundation? |
| A. | Wind force |
| B. | Earth pressure |
| C. | Seismic force |
| D. | All of the mentioned |
| Answer» E. | |
| 11. |
The selection of the depth of a well is based on which of the following criteria? |
| A. | Adequate embedded length should be provided and The well should rest on strata of adequate bearing capacity |
| B. | The perimeter of the well should be minimum |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. The perimeter of the well should be minimum | |
| 12. |
The grip length of well is taken as _________ below the scour level in roads. |
| A. | ½ R |
| B. | 1½ R |
| C. | 1/3 R |
| D. | 1 R |
| Answer» D. 1 R | |
| 13. |
The theory of harmonic vibrations is applicable to _________ for designing of foundation. |
| A. | Turbines |
| B. | Motors |
| C. | Generators |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
Recommended design value for permissible load on soil under the action of static load, for rock type soil group is ________ |
| A. | Greater than 10 |
| B. | 5-10 |
| C. | 3.5-5 |
| D. | Greater than 5 |
| Answer» E. | |
| 15. |
The size of co-vibrating body of soil depends on _________ |
| A. | Soil mass |
| B. | Apparent soil mass |
| C. | Transmitted force |
| D. | Size of the base area |
| Answer» E. | |
| 16. |
On calculating the natural frequency of the system, Barken did not take into account of __________ |
| A. | Contact area |
| B. | Frequency ratio |
| C. | Mass of the vibrating soil |
| D. | Mass of machine |
| Answer» D. Mass of machine | |
| 17. |
The factor responsible for additional dynamic load in rotating machines are ________ |
| A. | Static load and Inertial force |
| B. | Geophysical force |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Geophysical force | |
| 18. |
The components that are needed to be considered in designing of a well foundation is _______ |
| A. | Shape of the well |
| B. | Sand filing |
| C. | Bottom plug |
| D. | Dredge hole |
| Answer» D. Dredge hole | |
| 19. |
According to Terzaghi and Peck, the ultimate bearing capacity can be determined by which of the following expression? |
| A. | Q f = Q p + 2πRfs Df |
| B. | Q p = πR2(Q p + 2πRfs Df) |
| C. | Q p = 2πRfs Df |
| D. | All of the mentioned |
| Answer» B. Q p = πR2(Q p + 2πRfs Df) | |
| 20. |
The sinking of the dredge is uniform in which of the following, shapes of well? |
| A. | Double-D |
| B. | Rectangular |
| C. | Circular |
| D. | Dumb-well |
| Answer» D. Dumb-well | |
| 21. |
The analysis of well foundation is done based on the assumptions of _________ |
| A. | Banerjee and Gangopadhyay |
| B. | Lacey |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Lacey | |
| 22. |
When a rigid well starts moving parallel, it transforms the soil in to __________ |
| A. | Active and passive states |
| B. | Rigid state |
| C. | Loose sand |
| D. | All of the mentioned |
| Answer» B. Rigid state | |
| 23. |
Coefficient of horizontal soil reaction m, depends on _________ |
| A. | Shape of the area carrying load and Nature of soil |
| B. | Skin friction |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Skin friction | |
| 24. |
The maximum depth of scour at the nose of pier is _______ Lacey’s value. |
| A. | Twice |
| B. | Thrice |
| C. | Half |
| D. | None of the mentioned |
| Answer» B. Thrice | |
| 25. |
For an oscillatory machine, the force can be expressed as _________ |
| A. | Cosine function and Sine function |
| B. | Cosec function |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Cosec function | |
| 26. |
In soil dynamics problems, the analysis may be conveniently carried out by ___________ |
| A. | Spring mass system |
| B. | Inertial force |
| C. | Free vibration |
| D. | Amplitude test |
| Answer» B. Inertial force | |
| 27. |
The most economical shape, of a well for the construction of large pier is _________ |
| A. | Twin circular |
| B. | Double-D |
| C. | Rectangular |
| D. | Single circular |
| Answer» C. Rectangular | |
| 28. |
The rotation of foundation about y axes is known as _____________ |
| A. | Yawning |
| B. | Pitching |
| C. | Rocking |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 29. |
Which of the following caissons, permits excavation in dry? |
| A. | Pneumatic caissons |
| B. | Box caissons |
| C. | Open caissons |
| D. | All of the mentioned |
| Answer» B. Box caissons | |
| 30. |
The equation for natural frequency of system as suggested by Barken is __________ |
| A. | ωn = √f(1 – r2) |
| B. | ωn = √cu A / m |
| C. | ωn = cu A / m |
| D. | None of the mentioned |
| Answer» C. ωn = cu A / m | |
| 31. |
The method of Barken is based on the assumption of ___________ |
| A. | Equation of motion |
| B. | Linear spring theory |
| C. | Participation of soil in the vibration |
| D. | All of the mentioned |
| Answer» C. Participation of soil in the vibration | |
| 32. |
The constituent part of soil mechanics which deals with soil under dynamic condition is _______ |
| A. | Mass spring system |
| B. | Soil dynamics |
| C. | Soil system |
| D. | Mass system |
| Answer» C. Soil system | |
| 33. |
A disadvantage in using circular shape of well foundation is ___________ |
| A. | Minimum perimeter |
| B. | Skin friction is maximum |
| C. | Diameter of well is more than required |
| D. | Sinking is more uniform |
| Answer» D. Sinking is more uniform | |
| 34. |
What are the methods for determining the natural frequency of the foundation of soil system? |
| A. | Barken’s method and Rankine’s method |
| B. | Pauw’s method |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Pauw’s method | |
| 35. |
The value of kx for the elastic support of soil is given by which of the following expression? |
| A. | Kx = Cu A |
| B. | Kx = Cϴ Iy |
| C. | Kx = Cx A |
| D. | Kx = Cu Iy |
| Answer» D. Kx = Cu Iy | |
| 36. |
If the combined C.G. of the machine and foundation lies in the same vertical line, then the twisting modes are _________ |
| A. | Coupled |
| B. | Uncoupled |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 37. |
The mass of co-vibrating soil is called __________ |
| A. | Weight of vibrator |
| B. | Soil mass |
| C. | Apparent soil mass |
| D. | Certain soil mass |
| Answer» D. Certain soil mass | |
| 38. |
The co-efficient of elastic uniform compression of soil depends on which of the following factor? |
| A. | Size of area of foundation |
| B. | Mass of foundation |
| C. | Exciting force |
| D. | All of the mentioned |
| Answer» B. Mass of foundation | |
| 39. |
For alluvial soil, the normal scour depth can be calculated by ___________ formula. |
| A. | Rankine’s formula |
| B. | Lacey’s formula |
| C. | Converse Labarre formula |
| D. | Terzaghi’s formula |
| Answer» C. Converse Labarre formula | |
| 40. |
For piers and abutment, the minimum depth of embedment below the scour level should be taken as _________ m. |
| A. | 2.0 |
| B. | 1.2 |
| C. | 3 |
| D. | 1.5 |
| Answer» B. 1.2 | |
| 41. |
To avoid the setting of the cutting edge unevenly, ___________ can be introduced. |
| A. | Wooden sleepers |
| B. | Smooth oil surface |
| C. | Bottom plug |
| D. | Steining bars |
| Answer» B. Smooth oil surface | |
| 42. |
The inside shuttering of the well curb is made up of _________ |
| A. | Steel |
| B. | Wood |
| C. | Brick masonry |
| D. | Concrete |
| Answer» D. Concrete | |
| 43. |
Laying of the well curb in river bed having water, is done by _________ |
| A. | Draining out the water |
| B. | Diverting the water |
| C. | Constructing cofferdams |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 44. |
When the well is sunk deeper, the skin friction is decreased by which of the following method? |
| A. | Use of phawrah jhams |
| B. | By tilting and shifting |
| C. | By applying kentledge |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 45. |
Excavation of soil inside the well in river beds can be done by ________ |
| A. | Auger |
| B. | Sending in Workers |
| C. | Special equipment |
| D. | None of the mentioned |
| Answer» B. Sending in Workers | |
| 46. |
The bottom plug is designed in _________ shape. |
| A. | Rectangular |
| B. | Mushroom |
| C. | Bowl-shaped |
| D. | Circular |
| Answer» D. Circular | |
| 47. |
For loose sand, the value of skin friction is between ________ |
| A. | 0.73-2.93 |
| B. | 4.9-19.5 |
| C. | 1.22-3.42 |
| D. | 3.42-6.84 |
| Answer» D. 3.42-6.84 | |
| 48. |
At a given depth, the skin friction of the well is equal to __________ |
| A. | Diameter of well |
| B. | μ times the lateral earth pressure |
| C. | Stress condition |
| D. | All of the mentioned |
| Answer» C. Stress condition | |
| 49. |
The skin friction developed in San Francisco Oakland Bay Bridge, was reduced by, which of the following methods? |
| A. | By introducing special equipment |
| B. | By coating smooth oil surface |
| C. | By decreasing the stress developed |
| D. | All of the mentioned |
| Answer» C. By decreasing the stress developed | |
| 50. |
Frictional resistance developed during the sinking the well depends on __________ |
| A. | Roughness of the surface of contact |
| B. | Diameter of the well |
| C. | Type of soil |
| D. | Lateral earth pressure |
| Answer» B. Diameter of the well | |