McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 151. |
The pre-stressed concrete piles as compared to pre-cast and reinforced concrete piles |
| A. | are lesser in weight |
| B. | have high load carrying capacity |
| C. | are extremely durable |
| D. | all of these |
| Answer» D. all of these | |
| 152. |
A steel pile which function more efficiently in soft clay or loose sand, is |
| A. | H-pile |
| B. | pipe pile |
| C. | screw pile |
| D. | disc pile |
| Answer» C. screw pile | |
| 153. |
A screw pile consists of cast iron or steel shaft of external diameter varying from |
| A. | 0 to 150 mm |
| B. | 150 to 300 mm |
| C. | 300 to 450 mm |
| D. | 450 to 600 mm |
| Answer» B. 150 to 300 mm | |
| 154. |
Sheet piles are made of |
| A. | wood |
| B. | steel |
| C. | concrete |
| D. | all of these |
| Answer» D. all of these | |
| 155. |
The coefficient of friction between the concrete and soil is |
| A. | 0.20 to 0.25 |
| B. | 0.25 to 0.30 |
| C. | 0.30 to 0.35 |
| D. | 0.35 to 0.50 |
| Answer» C. 0.30 to 0.35 | |
| 156. |
When the depth of water is from 4.5 to 6 m, the type of cofferdam used is |
| A. | earthen cofferdam |
| B. | rock fill cofferdam |
| C. | single-walled cofferdam |
| D. | double walled cofferdam |
| Answer» C. single-walled cofferdam | |
| 157. |
A watertight structure constructed in connection with excavations for piers is……… |
| A. | caisson |
| B. | cofferdam |
| C. | well foundation |
| D. | raft foundation |
| Answer» A. caisson | |
| 158. |
Which of the following is type of cofferdam? |
| A. | Rock-filled crib cofferdam |
| B. | Cellular cofferdam |
| C. | Suspended cofferdam |
| D. | All of the above |
| Answer» D. All of the above | |
| 159. |
Which cofferdam is suitable at place where velocity of flow is slow & depth of water is 1.5m? |
| A. | Rock-fill cofferdam |
| B. | Earth-fill cofferdam |
| C. | Rock-filled crib cofferdam |
| D. | Cellular cofferdam |
| Answer» B. Earth-fill cofferdam | |
| 160. |
Rockfill cofferdam can be construction up to _________ m water depth. |
| A. | 3 |
| B. | 1.5 |
| C. | 4.5 |
| D. | 2 |
| Answer» A. 3 | |
| 161. |
Which cofferdam can be used at a place where working space is limited and depth of water is about 4m? |
| A. | Single walled cofferdam |
| B. | Earth-fill cofferdam |
| C. | Rock-filled crib cofferdam |
| D. | Cellular cofferdam |
| Answer» C. Rock-filled crib cofferdam | |
| 162. |
Which cofferdam uses frame made of wooden logs to provide desired shape to cofferdam ? |
| A. | Single walled cofferdam |
| B. | Earth-fill cofferdam |
| C. | Rock-filled crib cofferdam |
| D. | Cellular cofferdam |
| Answer» C. Rock-filled crib cofferdam | |
| 163. |
Why sand bags are stacked inside single walled cofferdam? |
| A. | To prevent water seepage |
| B. | To resist uplift forces |
| C. | To provide working platform |
| D. | To improve stability |
| Answer» D. To improve stability | |
| 164. |
Guide piles used in single walled cofferdam are made of which material? |
| A. | Steel |
| B. | Timber |
| C. | Concrete |
| D. | Composite Material |
| Answer» B. Timber | |
| 165. |
Steel Sheet type double walled cofferdam is suitable at _________ |
| A. | Water depth up to 6 to 10m |
| B. | To cover large area |
| C. | When it is not possible to drive guide piles |
| D. | All of the above |
| Answer» D. All of the above | |
| 166. |
When large area consisting water depth up to 21m which cofferdam is suitable? |
| A. | Double walled cofferdam |
| B. | Concrete cofferdam |
| C. | Cellular cofferdam |
| D. | Rock-filled crib cofferdam |
| Answer» C. Cellular cofferdam | |
| 167. |
Which type of deep foundation is preferred when large area is to be covered at greater depth? |
| A. | Raft Foundation |
| B. | Caisson |
| C. | Coffer Dam |
| D. | Pile Foundation |
| Answer» B. Caisson | |
| 168. |
Which of the following is not a use of Caisson? |
| A. | To reach hard bearing strata |
| B. | To provide access to deep shaft or tunnel |
| C. | To serve as temporary impervious boundary |
| D. | For the excavation of foundation of piers |
| Answer» C. To serve as temporary impervious boundary | |
| 169. |
Which of the following is not a type of caisson? |
| A. | Box Caisson |
| B. | Double Wall Caisson |
| C. | Open Caisson |
| D. | Pneumatic Caisson |
| Answer» B. Double Wall Caisson | |
| 170. |
Which caisson is used when excavation is not required? |
| A. | Box Caisson |
| B. | Double Wall Caisson |
| C. | Open Caisson |
| D. | Pneumatic Caisson |
| Answer» A. Box Caisson | |
| 171. |
Box caisson can be used up to depth _________ m. |
| A. | 3 |
| B. | 1.5 |
| C. | 8 |
| D. | 12 |
| Answer» C. 8 | |
| 172. |
Which of the following is not a type of Open Caisson? |
| A. | Single Well |
| B. | Semi-Circle |
| C. | Monoliths |
| D. | Cylinder |
| Answer» B. Semi-Circle | |
| 173. |
Which of the following is a shape of well caisson? |
| A. | Twin Hexagonal |
| B. | Dumb Well |
| C. | Double – D |
| D. | All of the above |
| Answer» D. All of the above | |
| 174. |
Which of the following is not a factor in choice of shape of wall? |
| A. | Dimension of Pier or Abutment to be constructed |
| B. | Cost of Sinking |
| C. | Type of Soil at foundation |
| D. | Vertical and Horizontal forces acting on well |
| Answer» C. Type of Soil at foundation | |
| 175. |
Which shape of well is most suitable to avoid horizontal forces? |
| A. | Single Circular Shape |
| B. | Twin-Octagonal Shape |
| C. | Rectangular Shape |
| D. | Dumb well Shape |
| Answer» A. Single Circular Shape | |
| 176. |
Which of the following is a component of well? |
| A. | Cutting Edge |
| B. | Steining |
| C. | Bottom Plug |
| D. | All of the above |
| Answer» D. All of the above | |
| 177. |
Minimum thickness of steining should be _________ cm. |
| A. | 30 |
| B. | 45 |
| C. | 25 |
| D. | 35 |
| Answer» B. 45 | |
| 178. |
Pneumatic cassions used for a depth up to____________m. |
| A. | 30 |
| B. | 45 |
| C. | 25 |
| D. | 35 |
| Answer» D. 35 | |
| 179. |
Water is removed from pneumatic caisson using _________. |
| A. | Pumping out of water |
| B. | Passing pressurized air |
| C. | Constructing double wall |
| D. | None of the above |
| Answer» B. Passing pressurized air | |
| 180. |
Maximum pressure of air inside pneumatic caisson is _______ N/mm2 |
| A. | 0.50 |
| B. | 0.25 |
| C. | 0.35 |
| D. | 0.30 |
| Answer» C. 0.35 | |
| 181. |
Which are the sickness that cannot arise due to working in pneumatic caisson? |
| A. | Dizziness |
| B. | Diarrhea |
| C. | Headache |
| D. | Trouble in speaking |
| Answer» B. Diarrhea | |
| 182. |
At which temperature caisson sickness can be avoided? |
| A. | 32° C |
| B. | 30° C |
| C. | 25° C |
| D. | 28° C |
| Answer» C. 25° C | |
| 183. |
Which are the forces that acts on Caisson? |
| A. | Seismic Forces |
| B. | Dynamic Forces |
| C. | Wind Forces |
| D. | All of the above |
| Answer» D. All of the above | |
| 184. |
Which of the following method is not used for Floating of Caisson? |
| A. | Floating by Crane |
| B. | Construction of dry dock |
| C. | Turning of Caisson |
| D. | Use of compressed air |
| Answer» A. Floating by Crane | |
| 185. |
By which method caisson can be sunk into hard rock? |
| A. | Air and Water Jets |
| B. | Blasting |
| C. | Loading |
| D. | Sand Island |
| Answer» B. Blasting | |
| 186. |
Why sand island method of sinking of caisson is used? |
| A. | To prevent floating |
| B. | To prevent tilting |
| C. | To stabilize caisson |
| D. | To prevent overturning |
| Answer» C. To stabilize caisson | |
| 187. |
Which are the problems that can arise during well sinking? |
| A. | Sand blowing |
| B. | Tilting of wells |
| C. | Shifting of wells |
| D. | All of the above |
| Answer» D. All of the above | |
| 188. |
Which of these problems can occur during de-watering of well? |
| A. | Sand blowing |
| B. | Tilting of wells |
| C. | Shifting of wells |
| D. | All of the above |
| Answer» A. Sand blowing | |
| 189. |
Tilting of well during sinking can occur due to _________ . |
| A. | Eccentric Loading |
| B. | Water Jetting |
| C. | Use of Explosive |
| D. | All of the above |
| Answer» D. All of the above | |
| 190. |
The temporary casing is known as the ______ |
| A. | support |
| B. | Formwork |
| C. | Builtup |
| D. | casing |
| Answer» B. Formwork | |
| 191. |
Forms whose components can be reused several times are known as the ______ |
| A. | strippling |
| B. | panel forms |
| C. | nevel forms |
| D. | shuttering |
| Answer» B. panel forms | |
| 192. |
The ______ of formwork plays an significant role in the cost of concrete. |
| A. | Economy |
| B. | conditions |
| C. | work |
| D. | period |
| Answer» A. Economy | |
| 193. |
The inside surface of formwork should be ________ so as to turn out a good concrete surface. |
| A. | Smooth |
| B. | Undulated |
| C. | Rough |
| D. | Geometrical |
| Answer» A. Smooth | |
| 194. |
The _______ formwork is used for formwork when it is desired to reuse the formwork several times. |
| A. | wooden |
| B. | Steel |
| C. | Timber |
| D. | None |
| Answer» B. Steel | |
| 195. |
The column formwork consists of a box prepared from ______ separate sides. |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 196. |
The form work for an RCC floor consists of a ________ to receive the concrete. |
| A. | Beam |
| B. | Block |
| C. | Trap |
| D. | Skeleton |
| Answer» D. Skeleton | |
| 197. |
In formwork for wall, the _____ are provided by vertical Struts and horizontal wales. |
| A. | Studs |
| B. | Wales |
| C. | Sheets |
| D. | Ties |
| Answer» C. Sheets | |
| 198. |
_______gives excellent exposed concrete surface requiring no further finishing treatment. |
| A. | Steel |
| B. | Timber |
| C. | Wood |
| D. | Fibre Glass |
| Answer» A. Steel | |
| 199. |
When form work is required for small ones requiring fewer repetitions, the ________ is preferred to Steel. |
| A. | Steel |
| B. | Timber |
| C. | Fibre Glass |
| D. | Metal Sheets |
| Answer» B. Timber | |
| 200. |
It is found that a moisture content of about ______ is appropriate for the timber formwork. |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50% |
| Answer» A. 20% | |
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