McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 201. |
angle and R is radius of the turnout, the length of the tongue rail, is |
| A. | r |
| B. | r |
| C. | /2 |
| D. | /2 |
| Answer» D. /2 | |
| 202. |
Steel sleepers are |
| A. | rectangular is cross section throughout |
| B. | hollow circular pipes |
| C. | 6 mm thick steel sheets with ends bent down |
| D. | 6 mm thick steel sheets with ends bent up |
| Answer» C. 6 mm thick steel sheets with ends bent down | |
| 203. |
Number of dog spikes normally used per rail seat on curved track is |
| A. | one on either side |
| B. | two outside and one inside |
| C. | one outside and two inside |
| D. | two outside and two inside |
| Answer» B. two outside and one inside | |
| 204. |
If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm × 13 cm), is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» B. 20 cm | |
| 205. |
Minimum composite sleeper index for wooden sleepers used over bridge girders, is |
| A. | 1455 |
| B. | 1355 |
| C. | 1255 |
| D. | 1155 |
| Answer» A. 1455 | |
| 206. |
The shape of transition curve used by Indian Railways is |
| A. | cubic parabola |
| B. | spiral |
| C. | sine curve |
| D. | lemniscates of bernoulli |
| Answer» A. cubic parabola | |
| 207. |
Gauge of a permanent way, is |
| A. | minimum distance between running faces of rails |
| B. | minimum distance between outer faces of rails |
| C. | distance between centres of rails |
| D. | width of formation |
| Answer» A. minimum distance between running faces of rails | |
| 208. |
If w is width of sleepers, s is sleeper spacing and d is depth of ballast then |
| A. | d = (s - w)/2 |
| B. | d = (s - w)/3 |
| C. | d = (s - w)/4 |
| D. | d = (s - w)/5 |
| Answer» A. d = (s - w)/2 | |
| 209. |
The standard width of ballast for B.G. Track in Indian Railways, is kept |
| A. | 3.35 m |
| B. | 3.53 m |
| C. | 2.35 m |
| D. | 2.53 m |
| Answer» A. 3.35 m | |
| 210. |
In India, metre gauge permanent way was adopted in |
| A. | 1855 |
| B. | 1860 |
| C. | 1866 |
| D. | 1871 |
| Answer» D. 1871 | |
| 211. |
Which one of the following rail failures is caused by loose fish bolts at expansion joints? |
| A. | crushed head |
| B. | angular break |
| C. | split head |
| D. | transverse fissures |
| Answer» A. crushed head | |
| 212. |
Best wood for wooden sleepers is |
| A. | chir |
| B. | deodar |
| C. | sal |
| D. | teak |
| Answer» D. teak | |
| 213. |
Bull headed rails are generally provided on |
| A. | points and crossing |
| B. | straight tangents |
| C. | curved tracks |
| D. | metre gauge tracks |
| Answer» A. points and crossing | |
| 214. |
The type of bearing plate used in all joints and on curves to give better bearing area to the rails is |
| A. | flat mild steel bearing plate |
| B. | mild steel canted bearing plate |
| C. | cast iron anti-creep bearing plate |
| D. | none of the above |
| Answer» B. mild steel canted bearing plate | |
| 215. |
For holding a rail in position, no chairs are used for |
| A. | flat footed rails |
| B. | bull headed rails |
| C. | double headed rails |
| D. | both (a) and (b) |
| Answer» A. flat footed rails | |
| 216. |
Cast iron sleeper, is |
| A. | pot sleeper |
| B. | box sleeper |
| C. | duplex sleeper |
| D. | all the above |
| Answer» D. all the above | |
| 217. |
Gauge is the distance between |
| A. | center to center of rails |
| B. | running faces of rails |
| C. | outer faces of rails |
| D. | none of the above |
| Answer» B. running faces of rails | |
| 218. |
Pick up the correct statement from the following: |
| A. | rails are directly laid over hard wooden sleepers and fixed with spikes |
| B. | adzing is done on hard wooden sleepers |
| C. | bearing plates are used on soft wooden sleepers |
| D. | all the above |
| Answer» D. all the above | |
| 219. |
Rail section is generally designated by its |
| A. | total weight |
| B. | total length |
| C. | weight per metre length |
| D. | area of its cross-section |
| Answer» C. weight per metre length | |
| 220. |
At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is |
| A. | 51 |
| B. | 62 |
| C. | 70 |
| D. | 78 |
| Answer» C. 70 | |
| 221. |
The quantity of stone ballast required per metre tangent length, is |
| A. | 1.15 m3 |
| B. | 1.14 m3 |
| C. | 1.13 m3 |
| D. | 1.11 m3 |
| Answer» D. 1.11 m3 | |
| 222. |
Weight and cross section of the rails are decided on |
| A. | gauge of tracks |
| B. | speed of trains |
| C. | spacing of sleepers |
| D. | all the above |
| Answer» D. all the above | |
| 223. |
Number of switches provided on a Gaunt-letted track is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | none of the above |
| Answer» D. none of the above | |
| 224. |
If S is cant deficiency in centimetres and V is maximum permissible speed in kmph, the maximum length of transition curves, is |
| A. | sv/13.6 |
| B. | sv/19.8 |
| C. | sv/127 |
| D. | sv/16.8 |
| Answer» A. sv/13.6 | |
| 225. |
A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 14 |
| Answer» B. 8 | |
| 226. |
Maximum cant deficiency prescribed on Indian Board Gauge Railways, is |
| A. | 40 mm |
| B. | 50 mm |
| C. | 75 mm |
| D. | 100 mm |
| Answer» D. 100 mm | |
| 227. |
Vertical curves are provided where algebraic difference between grades is equal to or |
| A. | less than 2 mm/m |
| B. | more than 2 mm/m |
| C. | less than 4 mm/m |
| D. | more than 4mm/m |
| Answer» D. more than 4mm/m | |
| 228. |
A scissors cross over consists of one diamond and |
| A. | one turn out |
| B. | two turn outs |
| C. | three turn outs |
| D. | four turn outs |
| Answer» D. four turn outs | |
| 229. |
The slipping of driving wheels of locomotives on the rail surface causes |
| A. | wheel burns |
| B. | hogging of rails |
| C. | scabbing of rails |
| D. | corrugation of rails |
| Answer» A. wheel burns | |
| 230. |
Wooden sleepers used on the girders of bridges, are generally made of |
| A. | sal |
| B. | chir |
| C. | teak |
| D. | deodar |
| Answer» C. teak | |
| 231. |
To ensure exact gauge, the gauge tie plates are provided at |
| A. | toe of the switch |
| B. | nose of crossing |
| C. | both (a) and (b) |
| D. | none of the above |
| Answer» C. both (a) and (b) | |
| 232. |
If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium super elevation is |
| A. | gv²/r |
| B. | gv²/17r |
| C. | gv²/127r |
| D. | gv²/130r |
| Answer» C. gv²/127r | |
| 233. |
The height of the center of arm of a semaphore signal above the ground is |
| A. | 5.5 m |
| B. | 6.5 m |
| C. | 7.5 m |
| D. | 8.5 m |
| Answer» C. 7.5 m | |
| 234. |
A wing rail is renewed or reconditioned if its maximum vertical wear is |
| A. | 9.5 m |
| B. | 7.5 m |
| C. | 5.5 m |
| D. | 5.0 m |
| Answer» A. 9.5 m | |
| 235. |
The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is |
| A. | 1 in 250 |
| B. | 1 in 222 |
| C. | 1 in 235 |
| D. | 1 in 275 |
| Answer» A. 1 in 250 | |
| 236. |
The tread of wheels is provided an outward slope of |
| A. | 1 in 10 |
| B. | 1 in 15 |
| C. | 1 in 20 |
| D. | 1 in 25 |
| Answer» C. 1 in 20 | |
| 237. |
When the rail ends rest on a joint sleeper, the joint is termed as |
| A. | supported rail joint |
| B. | suspended rail joint |
| C. | bridge joint |
| D. | base joint |
| Answer» A. supported rail joint | |
| 238. |
To prevent percolation of water into formation, moorum is used as a blanket for |
| A. | black cotton soil |
| B. | sandy soil |
| C. | clayey soil |
| D. | all the above |
| Answer» A. black cotton soil | |
| 239. |
Number of fish bolts per fish plate is |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» B. 4 | |
| 240. |
For flat bottom sleepers, maximum size of ballast, is |
| A. | 50 mm |
| B. | 40 mm |
| C. | 33 mm |
| D. | 25 mm |
| Answer» A. 50 mm | |
| 241. |
Which of the following turnouts is most commonly used for goods train on Indian Railways? |
| A. | 1 in 8\/2 |
| B. | 1 in 12 |
| C. | 1 in 16 |
| D. | 1 in 20 |
| Answer» A. 1 in 8\/2 | |
| 242. |
On Indian Railways standard length of rails for M.G. track, is |
| A. | 33 ft (10.06 m) |
| B. | 36 ft (10.97 m) |
| C. | 39 ft (11.89 m) |
| D. | 42 ft (12.8 m) |
| Answer» C. 39 ft (11.89 m) | |
| 243. |
The nominal size of ballast used for points and crossings is |
| A. | 25 mm |
| B. | 40 mm |
| C. | 50 mm |
| D. | 10 mm |
| Answer» A. 25 mm | |
| 244. |
The overall length of a turn out is the distance between the end of stock rail and |
| A. | heel of crossing |
| B. | actual nose of crossing |
| C. | throat of crossing |
| D. | toe of crossing |
| Answer» A. heel of crossing | |
| 245. |
The width of foot for 90 R rail section is |
| A. | 100 mm |
| B. | 122.2 mm |
| C. | 136.5 mm |
| D. | 146.0 mm |
| Answer» C. 136.5 mm | |
| 246. |
Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepers for the railways in |
| A. | 1857 |
| B. | 1867 |
| C. | 1877 |
| D. | 1887 |
| Answer» C. 1877 | |
| 247. |
Minimum packing space provided between two sleepers, is between |
| A. | 20 to 25 cm |
| B. | 25 to 30 cm |
| C. | 30 to 35 cm |
| D. | 35 to 40 cm |
| Answer» C. 30 to 35 cm | |
| 248. |
Dog spikes are used for fixing rail to the |
| A. | wooden sleepers |
| B. | cst-9 sleepers |
| C. | steel trough sleepers |
| D. | concrete sleepers |
| Answer» A. wooden sleepers | |
| 249. |
Distance between inner faces of the flanges, is kept |
| A. | equal to the gauge distance |
| B. | slightly less than the gauge distance |
| C. | slightly more than the gauge distance |
| D. | none of these |
| Answer» B. slightly less than the gauge distance | |
| 250. |
Anti-creep bearing plates are provided on |
| A. | bridges and approaches |
| B. | joints |
| C. | both (a) and (b) |
| D. | none of the above |
| Answer» D. none of the above | |
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