MCQOPTIONS
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MCQOPTIONS
This section includes 307 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Bottom most layer of pavement is known as |
| A. | earing course |
| B. | ase course |
| C. | ub-base course |
| D. | ubgrade |
| Answer» E. | |
| 252. |
If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is |
| A. | 500 vehicles per day |
| B. | 000 vehicles per hour |
| C. | 500 vehicles per hour |
| D. | 000 vehicles per hour |
| Answer» D. 000 vehicles per hour | |
| 253. |
If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be |
| A. | ero |
| B. | 4m |
| C. | 0m |
| D. | 0m |
| Answer» E. | |
| 254. |
Enoscope is used to find |
| A. | verage speed |
| B. | pot speed |
| C. | pace-mean speed |
| D. | ime-mean speed |
| Answer» C. pace-mean speed | |
| 255. |
Which of the following is known as design capacity ? |
| A. | asic capacity |
| B. | heoretical capacity |
| C. | ossible capacity |
| D. | ractical capacity |
| Answer» B. heoretical capacity | |
| 256. |
The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as |
| A. | pot maps |
| B. | ie charts |
| C. | ondition diagram |
| D. | ollision diagram |
| Answer» E. | |
| 257. |
The camber of shoulders in water bound macadam roads is |
| A. | qual to the cross slope of pavement |
| B. | ess than the cross slope of pavement |
| C. | reater than the cross slope of pavement |
| D. | ero |
| Answer» B. ess than the cross slope of pavement | |
| 258. |
In CBR test the value of CBR is calculated at |
| A. | .5 mm penetration only |
| B. | .0 mm penetration only |
| C. | .5 mm penetration only |
| D. | oth 2.5 mm and 5.0 mm penetrations |
| Answer» E. | |
| 259. |
The absolute minimum radius of curve for safe operation for a speed of 110 kmph is |
| A. | 10 m |
| B. | 20 m |
| C. | 40 m |
| D. | 77 m |
| Answer» D. 77 m | |
| 260. |
If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is |
| A. | 500 vehicles per hour |
| B. | 000 vehicles per hour |
| C. | 500 vehicles per hour |
| D. | 000 vehicles per hour |
| Answer» B. 000 vehicles per hour | |
| 261. |
The transition curve used in the horizontal alignment of highways as per IRC recommendations is |
| A. | piral |
| B. | emniscate |
| C. | ubic parabola |
| D. | ny of the above |
| Answer» B. emniscate | |
| 262. |
The ruling design speed on a National Highway in plain terrain as per IRC recommendations is |
| A. | 0 kmph |
| B. | 0 kmph |
| C. | 00 kmph |
| D. | 20 kmph |
| Answer» D. 20 kmph | |
| 263. |
The length of a transition curve, is governed by |
| A. | Rate of change of radial acceleration |
| B. | Rate of change of super-elevation |
| C. | Both (a) and (b) |
| D. | Neither (a) nor (b) |
| Answer» D. Neither (a) nor (b) | |
| 264. |
If cross slope of a country is greater than 60%, the terrain is classified as |
| A. | Rolling |
| B. | Mountainous |
| C. | Steep |
| D. | Plain |
| Answer» D. Plain | |
| 265. |
The walls which are necessary on the hill side of roadway where earth has to be retained from slipping is known as |
| A. | Retaining wall |
| B. | Breast wall |
| C. | Parapet wall |
| D. | None of the above |
| Answer» C. Parapet wall | |
| 266. |
If degree of a road curve is defined by assuming the standard length of an arc as 30 metres, the radius of 1° curve is equal |
| A. | 1719 m |
| B. | 1146 m |
| C. | 1046 m |
| D. | 1619 m |
| Answer» B. 1146 m | |
| 267. |
In case of a multi-lane road, overtaking is generally permitted |
| A. | From right |
| B. | From left |
| C. | From both sides right and left |
| D. | Not at all |
| Answer» D. Not at all | |
| 268. |
For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is |
| A. | Dry rolling, wet rolling, application of screening and application of filler |
| B. | Dry rolling, application of filler, wet rolling and application of screening |
| C. | Dry rolling, application of screening, wet rolling and application of filler |
| D. | Dry rolling, application of screening, application of filler and wet rolling |
| Answer» D. Dry rolling, application of screening, application of filler and wet rolling | |
| 269. |
If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is |
| A. | 32.44 km/hour |
| B. | 42.44 kg/hour |
| C. | 52.44 km/hour |
| D. | 62.44 km/hour |
| Answer» D. 62.44 km/hour | |
| 270. |
The fundamental factor in the selection of pavement type is |
| A. | Climatic condition |
| B. | Type and intensity of traffic |
| C. | Sub-grade soil and drainage conditions |
| D. | Availability of funds for the construction project |
| Answer» C. Sub-grade soil and drainage conditions | |
| 271. |
When load is applied on concrete pavement |
| A. | Away from edges, the maximum bending moment is negative |
| B. | Away from edges, the maximum bending moment cause compression |
| C. | On the edges, the maximum stress is parallel to the edge of the slab |
| D. | None of these |
| Answer» D. None of these | |
| 272. |
The most commonly adopted method to provide super-elevation on roads, is by pivoting the road surface about |
| A. | Outer edge so that the inner edge is lowered |
| B. | Crown so that outer edge is raised and inner edge is lowered |
| C. | Inner edge so that outer edge is raised |
| D. | None of these |
| Answer» D. None of these | |
| 273. |
Flexible pavement distribute the wheel load |
| A. | Directly to sub-grade |
| B. | Through structural action |
| C. | Through a set of layers to the sub-grade |
| D. | None of the above |
| Answer» D. None of the above | |
| 274. |
At intersection of roads, the traffic volume study is carried out to ascertain the number of vehicles |
| A. | Moving along straights |
| B. | Turning left |
| C. | Turning right |
| D. | All the above |
| Answer» E. | |
| 275. |
Speed regulations on roads is decided on the basis of |
| A. | 60 percentile cumulative frequency |
| B. | 75 percentile cumulative frequency |
| C. | 80 percentile cumulative frequency |
| D. | 85 percentile cumulative frequency |
| Answer» E. | |
| 276. |
RC-2, MC-2 and SC-2 correspond to |
| A. | Same viscosity |
| B. | Viscosity in increasing order from RC-2 to SC-2 |
| C. | Viscosity in decreasing order from RC-2 to SC-2 |
| D. | None of the above |
| Answer» B. Viscosity in increasing order from RC-2 to SC-2 | |
| 277. |
Set-back distance is the distance between |
| A. | Road land boundary and building line |
| B. | Road land boundary and control line |
| C. | Building line and control line |
| D. | Road land boundary and control line |
| Answer» B. Road land boundary and control line | |
| 278. |
Design of horizontal curves on highways, is based on |
| A. | Design speed of vehicles |
| B. | Permissible friction on the road surface |
| C. | Permissible centrifugal ratio |
| D. | All the above |
| Answer» E. | |
| 279. |
If aggregate impact value is 20 to 30 percent, then it is classified as |
| A. | Exceptionally strong |
| B. | Strong |
| C. | Satisfactory for road surfacing |
| D. | Unsuitable for road surfacing |
| Answer» D. Unsuitable for road surfacing | |
| 280. |
A traffic rotary is justified where |
| A. | Number of intersecting roads is between 4 and 7 |
| B. | Space is limited and costly |
| C. | When traffic volume is less than 500 vehicles per hour |
| D. | When traffic volume is more than 5000 vehicles per hour |
| Answer» B. Space is limited and costly | |
| 281. |
Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as |
| A. | Traffic density of lane |
| B. | Basic capacity of lane |
| C. | Probable capacity of lane |
| D. | Practical capacity of lane |
| Answer» E. | |
| 282. |
Selection of the routes, of highways depends upon |
| A. | Feasibility of attaining ruling gradient |
| B. | Avoidance of cutting hard rocks |
| C. | Minimum number of bridges |
| D. | All the above |
| Answer» E. | |
| 283. |
In hill roads the side drains arc provided |
| A. | Only on the hill side of road |
| B. | Only on the opposite side of hill |
| C. | On both sides of road |
| D. | None of the above |
| Answer» B. Only on the opposite side of hill | |
| 284. |
Excessive camber on pavements may cause |
| A. | Deterioration of central portion |
| B. | Slip of the speedy vehicles towards the edges |
| C. | Erosion of the berms |
| D. | All the above |
| Answer» E. | |
| 285. |
The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of |
| A. | Rolling terrain |
| B. | Mountainous terrain |
| C. | Steep terrain |
| D. | None of these |
| Answer» B. Mountainous terrain | |
| 286. |
Three points A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have |
| A. | No gradient between A and C |
| B. | A positive gradient between A and C |
| C. | A negative gradient between A and C |
| D. | A negative gradient between A and B |
| Answer» E. | |
| 287. |
The most suitable equipment for compacting clayey soils is a |
| A. | Smooth wheeled roller |
| B. | Pneumatic tyred roller |
| C. | Sheep foot roller |
| D. | Vibrator |
| Answer» D. Vibrator | |
| 288. |
During last phase of the reconnaissance, details of the grade line is recorded on 2 metre poles to indicate |
| A. | Direction of the proposed alignment |
| B. | Distance between the previous and forward pegs |
| C. | Relative elevations of pegs |
| D. | All the above |
| Answer» E. | |
| 289. |
Any gradient on a road is said to be an exceptional gradient, if it is |
| A. | More than ruling gradient |
| B. | Less than average gradient |
| C. | More than floating gradient |
| D. | Less than minimum gradient or more than maximum gradient |
| Answer» E. | |
| 290. |
Tyre pressure influences the |
| A. | Total depth of pavement |
| B. | Quality of surface course |
| C. | Both the above |
| D. | None of the above |
| Answer» C. Both the above | |
| 291. |
The full width of land acquired before finalising a highway, alignment is known |
| A. | Width of formation |
| B. | Right of way |
| C. | Carriage way |
| D. | Roadway |
| Answer» C. Carriage way | |
| 292. |
The ideal shape of a transition curve, is |
| A. | Clothoid |
| B. | Cubic spiral |
| C. | Cubic parabola |
| D. | Lamniscate |
| Answer» B. Cubic spiral | |
| 293. |
The most economical lighting layout which is suitable for narrow roads is |
| A. | Single side lighting |
| B. | Staggered system |
| C. | Central lighting system |
| D. | None of the above |
| Answer» B. Staggered system | |
| 294. |
In highway construction, rolling starts from |
| A. | Sides and proceed to center |
| B. | Center and proceed to sides |
| C. | One side and proceed to other side |
| D. | Any of the above |
| Answer» B. Center and proceed to sides | |
| 295. |
The critical combination of stresses for corner region in cement concrete roads is |
| A. | Load stress + warping stress frictional stress |
| B. | Load stress + warping stress + frictional stress |
| C. | Load stress + warping stress |
| D. | Load stress + frictional stress |
| Answer» D. Load stress + frictional stress | |
| 296. |
The maximum limit of water absorption for aggregate suitable for road construction is |
| A. | 0.4 % |
| B. | 0.6 % |
| C. | 0.8 % |
| D. | 1.0 % |
| Answer» C. 0.8 % | |
| 297. |
In soils having same values of plasticity index, if liquid limit is increased, then |
| A. | Compressibility and permeability decrease and dry strength increases |
| B. | Compressibility, permeability and dry strength decrease |
| C. | Compressibility, permeability and dry strength increase |
| D. | Compressibility and permeability increase and dry strength decreases |
| Answer» E. | |
| 298. |
Penetration test on bitumen is used for determining its |
| A. | Grade |
| B. | Viscosity |
| C. | Ductility |
| D. | Temperature susceptibility |
| Answer» B. Viscosity | |
| 299. |
Select the correct statement. |
| A. | More the value of group index, less thickness of pavement will be required |
| B. | More the value of CBR, greater thickness of pavement will be required |
| C. | Minimum and maximum values of group index can be 0 and 20 respectively |
| D. | All of the above |
| Answer» D. All of the above | |
| 300. |
The function of an expansion joint in rigid pavements is to |
| A. | Relieve warping stresses |
| B. | Relieve shrinkage stresses |
| C. | Resist stresses due to expansion |
| D. | Allow free expansion |
| Answer» E. | |