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.
| 51. |
The two natural frequencies representing the couple motion, in sliding and rocking motion is ___________ |
| A. | ωn1 and ωn2 |
| B. | ωx and ωy |
| C. | ωϴ and ωn |
| D. | ωn1 and ωn |
| Answer» B. ωx and ωy | |
| 52. |
If foundation block is supported by an elastic pad of contact area A and thickness t, the value of stiffness factor for vertical motion is given by which of the following expression? |
| A. | Kx = C A/t |
| B. | Kz = E A/t |
| C. | Kϴy = Ely / t |
| D. | All of the mentioned |
| Answer» C. Kϴy = Ely / t | |
| 53. |
According to Barken, the value of the coefficient of elastic uniform shear is taken as __________ |
| A. | 0.5 |
| B. | 2 Cu |
| C. | 3.0 |
| D. | 0.5 Cu |
| Answer» E. | |
| 54. |
Advantage of using pneumatic caissons are _________ |
| A. | Affords easy inspection and Process is done under control conditions |
| B. | Sinking process is easy |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Sinking process is easy | |
| 55. |
The methods of Pauw and Balakrishna Rao are based on ___________ assumptions. |
| A. | Equation of motion |
| B. | Linear spring theory |
| C. | Participation of soil in the vibration |
| D. | Barken’s method |
| Answer» D. Barken’s method | |
| 56. |
The well curb is designed for which of the following purpose? |
| A. | For avoiding skin friction |
| B. | Supporting the weight of well |
| C. | For designing the well |
| D. | All of the mentioned |
| Answer» C. For designing the well | |
| 57. |
Which of the following can be assumed for design purpose of well curb? |
| A. | Three point support of cutting edge |
| B. | Boulders |
| C. | Skin friction |
| D. | Steining |
| Answer» B. Boulders | |
| 58. |
An effective well curb should withstand ___________ |
| A. | Maximum stress |
| B. | Stress due to sand blows |
| C. | Its own weight |
| D. | Blasting |
| Answer» C. Its own weight | |
| 59. |
To counter act the tilts in the well during sinking operations, which of the following measures can be used? |
| A. | Regulation of grabbing |
| B. | Strutting the well |
| C. | Pushing by jack |
| D. | All of the mentioned |
| Answer» E. | |
| 60. |
A sharp vertical edge for the well is provided at _________ |
| A. | Inner Face of the well |
| B. | Out of the well |
| C. | Outside face of the caisson |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 61. |
The cutting edge should be provided with an angle of __________ |
| A. | 45° |
| B. | 60° |
| C. | 90° |
| D. | 30° |
| Answer» E. | |
| 62. |
The radius of the well curb should be kept _________ larger than the outside radius of well steining. |
| A. | 2 cm and 4 cm |
| B. | 2 m |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. 2 m | |
| 63. |
The method that is used to avoid the further increase in tilt is ___________ |
| A. | Pushing by jack |
| B. | Eccentric loading |
| C. | Strutting the well |
| D. | Pushing the well |
| Answer» D. Pushing the well | |
| 64. |
Pneumatic caissons are closed at _________ during construction. |
| A. | Bottom |
| B. | Top |
| C. | Top and bottom |
| D. | None of the mentioned |
| Answer» C. Top and bottom | |
| 65. |
In which of the following methods, hydraulic jack is used to counter attack the tilt in the well? |
| A. | Pulling the well |
| B. | Eccentric loading |
| C. | Pushing by jack |
| D. | Pulling the well |
| Answer» D. Pulling the well | |
| 66. |
Unequal dredging of well causes _________ |
| A. | Collapsing of well |
| B. | Tilting |
| C. | Open excavation |
| D. | Maximum skin friction |
| Answer» C. Open excavation | |
| 67. |
The method of construction of pneumatic caisson is similar to ________ |
| A. | Box caissons |
| B. | Open caissons |
| C. | Rectangular caissons |
| D. | All of the mentioned |
| Answer» C. Rectangular caissons | |
| 68. |
The essential feature of a pneumatic caissons are __________ |
| A. | Tilting can be avoided and Removing water by Compressed air |
| B. | Skin fraction is zero |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Skin fraction is zero | |
| 69. |
The allowable pressure that is allowed inside the working chamber of pneumatic caissons is _______ |
| A. | 2 kg/cm² |
| B. | 4 kg/cm² |
| C. | 3.5 kg/cm² |
| D. | 7 kg/cm² |
| Answer» D. 7 kg/cm² | |
| 70. |
The working chamber of pneumatic caissons are kept airtight because ________ |
| A. | To avoid tilting |
| B. | To remove the soil |
| C. | To prevent water from entering the chamber |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 71. |
Disadvantage of using pneumatic caissons are ________ |
| A. | Process cannot be done under control conditions |
| B. | Sinking process is tedious |
| C. | Inspection process is time consuming |
| D. | All of the mentioned |
| Answer» C. Inspection process is time consuming | |
| 72. |
The limiting head of water value in pneumatic caisson is ________ |
| A. | 40 m |
| B. | 25 m |
| C. | 35 m |
| D. | 50 m |
| Answer» D. 50 m | |
| 73. |
In order to prevent leakage of air in the working chamber ________ is provided. |
| A. | Arrangement of double gates |
| B. | Air compressor |
| C. | Air lock |
| D. | All of the mentioned |
| Answer» B. Air compressor | |
| 74. |
In order to assist sinking of well __________ method is used in pneumatic caissons. |
| A. | Air pressure is reduced and Using explosive |
| B. | Using airlocks |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Using airlocks | |
| 75. |
What are the types of caissons that can be used as a foundation? |
| A. | Box caissons and Open caissons |
| B. | Closed caissons |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Closed caissons | |
| 76. |
The choice of a particular shape for a well depends on ________ |
| A. | Dimension of the base and Cost of sinking |
| B. | Type of soil condition |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Type of soil condition | |
| 77. |
The common types of well shape are _________ |
| A. | Rectangular |
| B. | Dumb bell |
| C. | Single circular |
| D. | All of the mentioned |
| Answer» E. | |
| 78. |
___________ forms the most common type of deep foundation for bridges. |
| A. | Pile foundation |
| B. | Well foundation |
| C. | Shallow foundation |
| D. | Pier foundation |
| Answer» C. Shallow foundation | |
| 79. |
Well are also called as __________ |
| A. | Open caissons |
| B. | Shell sunk |
| C. | Caisse |
| D. | All of the mentioned |
| Answer» B. Shell sunk | |