McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 251. |
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 | |
| 252. |
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 | |
| 253. |
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 | |
| 254. |
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 | |
| 255. |
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 | |
| 256. |
Number of fish bolts per fish plate is |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» B. 4 | |
| 257. |
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 | |
| 258. |
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 | |
| 259. |
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) | |
| 260. |
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 | |
| 261. |
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 | |
| 262. |
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 | |
| 263. |
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 | |
| 264. |
Switch angle depends on
|
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» A. (i) and (ii) | |
| 265. |
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 | |
| 266. |
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 | |
| 267. |
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 | |
| 268. |
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 | |
| 269. |
A mono-block sleeper has |
| A. | Square section |
| B. | Rectangular section |
| C. | Trapezoidal section |
| D. | Semi-circular section |
| Answer» C. Trapezoidal section | |
| 270. |
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 | |
| 271. |
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 | |
| 272. |
Normally the limiting value of cant is |
| A. | G/8 |
| B. | G/10 |
| C. | G/12 |
| D. | G/15 |
| Answer» B. G/10 | |
| 273. |
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 | |
| 274. |
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° | |
| 275. |
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 | |
| 276. |
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 | |
| 277. |
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 | |
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