MCQOPTIONS
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MCQOPTIONS
This section includes 177 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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» D. three splits | |
| 2. |
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» D. 7.096 m | |
| 3. |
Boxing of ballast is done |
| A. | under rails |
| B. | at the rails |
| C. | in between two rails |
| D. | in between two sleepers |
| Answer» C. in between two rails | |
| 4. |
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» D. 30 cm | |
| 5. |
Rails are bent to correct curvature if the degree of curve, is more than |
| A. | 1° |
| B. | 2° |
| C. | 3° |
| D. | 4° |
| Answer» E. | |
| 6. |
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» D. none of the above | |
| 7. |
A mono-block sleeper has |
| A. | square section |
| B. | rectangular section |
| C. | trapezoidal section |
| D. | semi-circular section |
| Answer» D. semi-circular section | |
| 8. |
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» B. steel sleepers | |
| 9. |
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» C. slightly more than the gauge distance | |
| 10. |
Dog spikes are used for fixing rail to the |
| A. | wooden sleepers |
| B. | cst-9 sleepers |
| C. | steel trough sleepers |
| D. | concrete sleepers |
| Answer» B. cst-9 sleepers | |
| 11. |
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» D. 35 to 40 cm | |
| 12. |
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» D. 1887 | |
| 13. |
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» D. 146.0 mm | |
| 14. |
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» B. actual nose of crossing | |
| 15. |
The nominal size of ballast used for points and crossings is |
| A. | 25 mm |
| B. | 40 mm |
| C. | 50 mm |
| D. | 10 mm |
| Answer» B. 40 mm | |
| 16. |
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» D. 42 ft (12.8 m) | |
| 17. |
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» B. 1 in 12 | |
| 18. |
Number of fish bolts per fish plate is |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |
| 19. |
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» B. sandy soil | |
| 20. |
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» B. suspended rail joint | |
| 21. |
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» D. 1 in 25 | |
| 22. |
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» B. 7.5 m | |
| 23. |
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» D. 8.5 m | |
| 24. |
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» D. gv²/130r | |
| 25. |
Wooden sleepers used on the girders of bridges, are generally made of |
| A. | sal |
| B. | chir |
| C. | teak |
| D. | deodar |
| Answer» D. deodar | |
| 26. |
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» B. hogging of rails | |
| 27. |
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» E. | |
| 28. |
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» E. | |
| 29. |
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» C. 12 | |
| 30. |
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» E. | |
| 31. |
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» E. | |
| 32. |
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» D. 78 | |
| 33. |
Number of switches provided on a Gaunt-letted track is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | none of the above |
| Answer» E. | |
| 34. |
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» D. area of its cross-section | |
| 35. |
Cast iron sleeper, is |
| A. | pot sleeper |
| B. | box sleeper |
| C. | duplex sleeper |
| D. | all the above |
| Answer» E. | |
| 36. |
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» C. outer faces of rails | |
| 37. |
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» B. bull headed rails | |
| 38. |
Bull headed rails are generally provided on |
| A. | points and crossing |
| B. | straight tangents |
| C. | curved tracks |
| D. | metre gauge tracks |
| Answer» B. straight tangents | |
| 39. |
Best wood for wooden sleepers is |
| A. | chir |
| B. | deodar |
| C. | sal |
| D. | teak |
| Answer» E. | |
| 40. |
In India, metre gauge permanent way was adopted in |
| A. | 1855 |
| B. | 1860 |
| C. | 1866 |
| D. | 1871 |
| Answer» E. | |
| 41. |
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» B. 3.53 m | |
| 42. |
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» B. minimum distance between outer faces of rails | |
| 43. |
The shape of transition curve used by Indian Railways is |
| A. | cubic parabola |
| B. | spiral |
| C. | sine curve |
| D. | lemniscates of bernoulli |
| Answer» B. spiral | |
| 44. |
Minimum composite sleeper index for wooden sleepers used over bridge girders, is |
| A. | 1455 |
| B. | 1355 |
| C. | 1255 |
| D. | 1155 |
| Answer» B. 1355 | |
| 45. |
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» C. 25 cm | |
| 46. |
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» B. d = (s - w)/3 | |
| 47. |
angle and R is radius of the turnout, the length of the tongue rail, is |
| A. | r |
| B. | r |
| C. | /2 |
| D. | /2 |
| Answer» E. | |
| 48. |
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» D. 6 mm thick steel sheets with ends bent up | |
| 49. |
The effective bearing area of all types of sleepers, is |
| A. | 0.40 m2 |
| B. | 0.42 m2 |
| C. | 0.44 m2 |
| D. | 0.46 m2 |
| Answer» E. | |
| 50. |
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» C. one outside and two inside | |