McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 251. |
A mono-block sleeper has |
| A. | square section |
| B. | rectangular section |
| C. | trapezoidal section |
| D. | semi-circular section |
| Answer» C. trapezoidal section | |
| 252. |
The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called |
| A. | flange-way clearance |
| B. | heel divergence |
| C. | throw of the switch |
| D. | none of the above |
| Answer» C. throw of the switch | |
| 253. |
Coal ash (or cinder) is used in initial stages of a new construction of railway for |
| A. | wooden sleepers |
| B. | steel sleepers |
| C. | cast iron sleepers |
| D. | none of these |
| Answer» A. wooden sleepers | |
| 254. |
Width of the top portion of a flat footed, rail, is |
| A. | 69.85 mm |
| B. | 63.50 mm |
| C. | 66.77 mm |
| D. | 136.52 mm |
| Answer» C. 66.77 mm | |
| 255. |
Rails are bent to correct curvature if the degree of curve, is more than |
| A. | 1° |
| B. | 2° |
| C. | 3° |
| D. | 4° |
| Answer» D. 4° | |
| 256. |
Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is |
| A. | 20 cm |
| B. | 15 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» C. 25 cm | |
| 257. |
Boxing of ballast is done |
| A. | under rails |
| B. | at the rails |
| C. | in between two rails |
| D. | in between two sleepers |
| Answer» B. at the rails | |
| 258. |
Maximum wheel base distance provided on Indian B.G. tracks, is |
| A. | 4.096 m |
| B. | 5.096 m |
| C. | 6.096 m |
| D. | 7.096 m |
| Answer» C. 6.096 m | |
| 259. |
A triangle used for turning the face of locomotives, consists of |
| A. | three turn outs |
| B. | one turn out and two splits |
| C. | two turn outs and one split |
| D. | three splits |
| Answer» C. two turn outs and one split | |
| 260. |
To hold the adjoining ends of rails in correct horizontal and vertical planes, the rail fastenings used are |
| A. | fish plates |
| B. | spikes |
| C. | anchors |
| D. | bearing plates |
| Answer» A. fish plates | |
| 261. |
The sleeper density on main lines is |
| A. | decreased |
| B. | increased |
| Answer» B. increased | |
| 262. |
The speed of a locomotive, in India, on broad gauge is restricted between |
| A. | 60 to 75 km/h |
| B. | 75 to 96 km/h |
| C. | 96 to 120 km/h |
| D. | 120 to 140 km/h |
| Answer» C. 96 to 120 km/h | |
| 263. |
When two tracks of same or different gauges cross each other at any angle, the crossing provided is |
| A. | diamond crossing |
| B. | scissors crossing |
| C. | level crossing |
| D. | all of these |
| Answer» A. diamond crossing | |
| 264. |
The gauge should be |
| A. | 6 mm |
| B. | 12 mm |
| C. | 20 mm |
| D. | 30 mm |
| Answer» A. 6 mm | |
| 265. |
The total effective area of the pot sleepers is equal to the effective bearing area of a |
| A. | steel sleeper |
| B. | wooden sleeper |
| C. | R.C.C. sleeper |
| D. | all of these |
| Answer» B. wooden sleeper | |
| 266. |
At the time of pressing the steel sleepers, a cant of 1 in 20 is provided towards the centre. |
| A. | True |
| B. | False |
| Answer» A. True | |
| 267. |
Gib and cotters for connecting pot sleepers are so casted that by interchanging them gauge is slackened by |
| A. | 3.18 mm |
| B. | 6.18 mm |
| C. | 8.81 mm |
| D. | 13.8 mm |
| Answer» A. 3.18 mm | |
| 268. |
In plate sleepers, the plate is provided with projecting ribs in the bottom in order to |
| A. | provide a grip in the ballast |
| B. | check the lateral movement of the sleeper |
| C. | either (a) or (b) |
| D. | both (a) and (b) |
| Answer» D. both (a) and (b) | |
| 269. |
The rail gauge is the distance between |
| A. | outer faces of rails |
| B. | running faces of rails |
| C. | centre to centre of rails |
| D. | none of these |
| Answer» B. running faces of rails | |
| 270. |
To increase the strength of plate sleepers, the |
| A. | bearing plates |
| B. | stiffeners |
| C. | anchors |
| Answer» B. stiffeners | |
| 271. |
The levers for |
| A. | points |
| B. | stop signal |
| C. | crossing gate |
| Answer» A. points | |
| 272. |
Creeping of rails can be checked by using |
| A. | chairs |
| B. | bearing plates |
| C. | anchors |
| D. | spikes |
| Answer» C. anchors | |
| 273. |
The height of the platform above the rail surface for broad gauge tracks should be |
| A. | 229 to 406 mm |
| B. | 305 to 406 mm |
| C. | 762 to 838 mm |
| D. | 838 to 982 mm |
| Answer» C. 762 to 838 mm | |
| 274. |
Two holes are provided in each pot sleeper for inspection and packing of ballast. |
| A. | Agree |
| B. | Disagree |
| Answer» A. Agree | |
| 275. |
In India, the method used for plate laying is |
| A. | side method |
| B. | American method |
| C. | telescopic method |
| D. | all of these |
| Answer» C. telescopic method | |
| 276. |
The resistance of the train is due to |
| A. | speed |
| B. | gradient |
| C. | curves |
| D. | all of these |
| Answer» D. all of these | |
| 277. |
A curve is represented by the degree of the curvature subtended by a chord of |
| A. | 15 m |
| B. | 20.8 m |
| C. | 30.48 m |
| D. | 40.8 m |
| Answer» C. 30.48 m | |
| 278. |
The clear distance between inner faces of rails near their tops is known as |
| A. | clear width |
| B. | gauge |
| Answer» B. gauge | |
| 279. |
Which of the following bolt is not used in rail tracks? |
| A. | Fish bolt |
| B. | Dog bolt |
| C. | Eye bolt |
| D. | Rag bolt |
| Answer» C. Eye bolt | |
| 280. |
The Indian railway has been divided into |
| A. | six zones |
| B. | eight zones |
| C. | twelve zones |
| D. | sixteen zones |
| Answer» D. sixteen zones | |
| 281. |
To prevent the flanges of wheels from rubbing the inside face of the rail, the distance between the inside edges of flanges is kept |
| A. | equal to |
| B. | less than |
| C. | more than |
| Answer» B. less than | |
| 282. |
Two fish plates are fixed at each rail joint with eight fish bolts. |
| A. | Right |
| B. | Wrong |
| Answer» B. Wrong | |
| 283. |
Two cross-overs are laid between two tracks in the case of |
| A. | diamond crossing |
| B. | scissors crossing |
| C. | level crossing |
| D. | all of these |
| Answer» B. scissors crossing | |
| 284. |
An extra width of ballast is not provided on the outer side of curve, if its degree is 3?. |
| A. | Correct |
| B. | Incorrect |
| Answer» A. Correct | |
| 285. |
Creep is greater |
| A. | on curves |
| B. | in new rails than in old rails |
| C. | both (a) and (b) |
| D. | none of these |
| Answer» C. both (a) and (b) | |
| 286. |
The choice of gauge depends upon |
| A. | volume and nature of traffic |
| B. | speed of train |
| C. | physical features of the country |
| D. | all of these |
| Answer» D. all of these | |
| 287. |
The system of signalling used on single-line working, is |
| A. | absolute block system |
| B. | space interval system |
| C. | time interval system |
| D. | pilot guard system |
| Answer» B. space interval system | |
| 288. |
A CST - 9 sleeper is |
| A. | same as pot sleeper |
| B. | same as plate sleeper |
| C. | a combination of plate, pot and box sleeper |
| D. | none of these |
| Answer» C. a combination of plate, pot and box sleeper | |
| 289. |
Scotch blocks are used for preventing the movement of vehicles beyond the dead end sidings. |
| A. | Right |
| B. | Wrong |
| Answer» A. Right | |
| 290. |
Which of the following statement is wrong? |
| A. | The coning of wheels is provided for smooth running of trains. |
| B. | The coning of wheel prevents the wear of the inner faces of rails |
| C. | If the axle moves laterally towards one rail, the diameter of wheel rim increases on that rail |
| D. | On curves, the outer wheel has to travel lesser distance than the inner wheel. |
| Answer» D. On curves, the outer wheel has to travel lesser distance than the inner wheel. | |
| 291. |
When the degree of curve is more than 3?, the rails are bent to the correct curvature before fixing them on to the sleepers. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 292. |
The sleepers in the form of two bowls placed under each rail and connected together by a tie - bar, are known as |
| A. | pot sleepers |
| B. | box sleepers |
| C. | plate sleepers |
| D. | duplex sleepers |
| Answer» A. pot sleepers | |
| 293. |
A standard rail point should |
| A. | be as strong as the other portion of the track |
| B. | have just enough rail gap between two rails |
| C. | have the same elasticity as the other portion of the track |
| D. | all of the above |
| Answer» D. all of the above | |
| 294. |
The distance between the centre line of the track, for narrow gauge, and the platform should bot be less than 1.219 m. |
| A. | Correct |
| B. | Incorrect |
| Answer» A. Correct | |
| 295. |
A welded rail joint is generally |
| A. | supported on a sleeper |
| B. | suspended |
| C. | supported on a metal plate |
| D. | none of these |
| Answer» B. suspended | |
| 296. |
The height of the platform above the rail surface for narrow gauge tracks should be |
| A. | 229 to 406 mm |
| B. | 305 to 406 mm |
| C. | 762 to 838 mm |
| D. | 838 to 982 mm |
| Answer» A. 229 to 406 mm | |
| 297. |
The number of a crossing is defined as the cotangent of the crossing angle. |
| A. | True |
| B. | False |
| Answer» A. True | |
| 298. |
The adjustment of rails is usually needed when creep exceeds |
| A. | 50 mm |
| B. | 100 mm |
| C. | 150 mm |
| D. | none of these |
| Answer» C. 150 mm | |
| 299. |
The gauge representing the maximum width and height up to which a railway vehicle may be built, is known as |
| A. | broad gauge |
| B. | narrow gauge |
| C. | loading gauge |
| D. | all of these |
| Answer» C. loading gauge | |
| 300. |
The rail section, now-a-days, used in Indian railways is |
| A. | double headed type |
| B. | dumb-bell type |
| C. | bull headed type |
| D. | flat footed type |
| Answer» C. bull headed type | |
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