MCQOPTIONS
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MCQOPTIONS
This section includes 440 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. |
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is |
| A. | 6.10 m |
| B. | 8.84 m |
| C. | 10.21 m |
| D. | 10.82 m |
| Answer» D. 10.82 m | |
| 2. |
Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal? |
| A. | detectors |
| B. | point lock |
| C. | iock bar |
| D. | stretcher bar |
| Answer» D. stretcher bar | |
| 3. |
Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting? |
| A. | triangle |
| B. | turntable |
| C. | traverser |
| D. | scotch block |
| Answer» D. scotch block | |
| 4. |
Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is |
| A. | 112 km/hour |
| B. | 122 km/hour |
| C. | 132 km/hour |
| D. | 142 km/hour |
| Answer» D. 142 km/hour | |
| 5. |
The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as |
| A. | 10 mm |
| B. | 13 mm |
| C. | 16 mm |
| D. | 19 mm |
| Answer» E. | |
| 6. |
In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3 on a gradient of 1 in 250 will have the permissible gradient of |
| A. | 1 in 257 |
| B. | 1 in 357 |
| C. | 1 in 457 |
| D. | 1 in 512 |
| Answer» C. 1 in 457 | |
| 7. |
The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is |
| A. | 4.27 m |
| B. | 4.88 m |
| C. | 5.49 m |
| D. | 6.10 m |
| Answer» C. 5.49 m | |
| 8. |
Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 25 13 cm with 75 cm sleeper spacing is |
| A. | 15 cm |
| B. | 20 cm |
| C. | 25 cm |
| D. | 30 cm |
| Answer» D. 30 cm | |
| 9. |
A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive? |
| A. | 15.0 tonnes |
| B. | 22.5 tonnes |
| C. | 45.0 tonnes |
| D. | 90.0 tonnes |
| Answer» C. 45.0 tonnes | |
| 10. |
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» B. sv/19.8 | |
| 11. |
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 | |
| 12. |
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» B. 1 in 222 | |
| 13. |
Which of the following statements regarding ballast materials are correct ? |
| A. | Brick ballast has poor drainage characteristics |
| B. | Coal ash is not used as ballast with steel or cast iron sleepers |
| C. | Gravel ballast gives better performance on soft formation |
| D. | Sand ballast causes excessive wear on top of rail |
| Answer» E. | |
| 14. |
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» B. angular break | |
| 15. |
Width of ballast section for Broad Gauge is_________________? |
| A. | 1.83 m |
| B. | 2.25 m |
| C. | 3.35 m |
| D. | 4.30 m |
| Answer» D. 4.30 m | |
| 16. |
Yellow lighthand signal indicates____________________? |
| A. | stop |
| B. | proceed |
| C. | proceed cautiously |
| D. | none of the above |
| Answer» D. none of the above | |
| 17. |
Which of the following factors govern the choice of the gauge ?_x005F_x000D_i) volume and nature of traffic_x005F_x000D_ii) speed of train_x005F_x000D_iii) physical features of the country_x005F_x000D_The correct answer is ? |
| A. | only (i) |
| B. | both (i) and (ii) |
| C. | both (ii) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 18. |
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 | |
| 19. |
When semaphore and warner are installed on the same post, then the stop indication is given when___________________? |
| A. | both arms are horizontal |
| B. | semaphore arm lowered but warner arm horizontal |
| C. | both semaphore and warner arms lowered |
| D. | none of the above |
| Answer» B. semaphore arm lowered but warner arm horizontal | |
| 20. |
Wear of rails is maximum in weight of___________________? |
| A. | tangent track |
| B. | sharp curve |
| C. | tunnels |
| D. | coastal area |
| Answer» C. tunnels | |
| 21. |
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. | |
| 22. |
Two important constituents in the com-position of steel used for rail are_________________? |
| A. | carbon and silicon |
| B. | manganese and phosphorous |
| C. | carbon and manganese |
| D. | carbon and sulfur |
| Answer» D. carbon and sulfur | |
| 23. |
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» D. none of the above | |
| 24. |
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 | |
| 25. |
The type of spike used for fixing chairs of bull headed rails to wooden sleepers is_________________? |
| A. | dog spike |
| B. | rail screw |
| C. | elastic spike |
| D. | round spike |
| Answer» E. | |
| 26. |
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» C. cast iron anti creep bearing plate | |
| 27. |
The treadle bar is provided_____________________? |
| A. | in the middle of the track a little in front of the toes of the tongue rail |
| B. | near and parallel to inner side of one of the rails |
| C. | at right angle to the rail |
| D. | near and parallel to inner side of both the rails |
| Answer» C. at right angle to the rail | |
| 28. |
The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as_________________? |
| A. | 10mm |
| B. | 13mm |
| C. | 16mm |
| D. | 19 mm |
| Answer» E. | |
| 29. |
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» B. 1 in 222 | |
| 30. |
The standard length of rail for Broad Gauge and Meter Gauge are respectively __________________? |
| A. | 12 m and 12 m |
| B. | 12 m and 13 m |
| C. | 13 m and 12 m |
| D. | 13 m and 13 m |
| Answer» D. 13 m and 13 m | |
| 31. |
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 | |
| 32. |
The sleepers resting directly on girder are fastened to the top flange of girder by________________? |
| A. | hook bolts |
| B. | dog spikes |
| C. | fang bolts |
| D. | rail screws |
| Answer» B. dog spikes | |
| 33. |
The side slope of embankments for a railway track is generally taken as______________? |
| A. | 1:1 |
| B. | 1.5:1 |
| C. | 2:1 |
| D. | 1:2 |
| Answer» D. 1:2 | |
| 34. |
The shape of transition curve used by Indian Railways is____________________? |
| A. | cubic parabola |
| B. | spiral |
| C. | sine curve |
| D. | lemniscate of Bernoulli |
| Answer» B. spiral | |
| 35. |
The reception signal is__________________?_x005F_x000D_i) outer signal_x005F_x000D_ii) home signal_x005F_x000D_iii) starter_x005F_x000D_iv) advanced starter_x005F_x000D_The correct answer is? |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» B. (ii) and (iii) | |
| 36. |
The rail is designated by its__________________? |
| A. | length |
| B. | weight |
| C. | cross-section |
| D. | weight per unit length |
| Answer» E. | |
| 37. |
The purpose of providing fillet in a rail section is to_________________? |
| A. | increase the lateral strength |
| B. | increase the vertical stiffness |
| C. | avoid the stress concentration |
| D. | reduce the wear |
| Answer» D. reduce the wear | |
| 38. |
The object of providing a point lock is_________________? |
| A. | to ensure that each switch is correctly set |
| B. | to ensure that the point may not be operated while the train is on it |
| C. | to detect any obstruction between and tongue rail |
| D. | none of the above |
| Answer» B. to ensure that the point may not be operated while the train is on it | |
| 39. |
The nominal size of ballast used for points and crossings is___________________? |
| A. | 25 mm |
| B. | 40 mm |
| C. | 50 mm |
| D. | 10mm |
| Answer» B. 40 mm | |
| 40. |
The maximum degree of curvature for Meter Gauge is limited to_________________? |
| A. | 10° |
| B. | 16° |
| C. | 30° |
| D. | 40° |
| Answer» C. 30° | |
| 41. |
The main function of a fish plate is________________? |
| A. | to join the two rails together |
| B. | to join rails with the sleeper |
| C. | to allow rail to expand and contract freely |
| D. | none of the above |
| Answer» B. to join rails with the sleeper | |
| 42. |
The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be________________? |
| A. | 26.41 |
| B. | 19.81 |
| C. | 13.21 |
| D. | 6.61 |
| Answer» D. 6.61 | |
| 43. |
The limiting value of cant gradient for all gauges is___________________? |
| A. | 1 in 360 |
| B. | 1 in 720 |
| C. | 1 in 1000 |
| D. | 1 in 1200 |
| Answer» C. 1 in 1000 | |
| 44. |
The limiting value of cant excess for Broad Gauge is________________? |
| A. | 55 mm |
| B. | 65 mm |
| C. | 75 mm |
| D. | l00 mm |
| Answer» D. l00 mm | |
| 45. |
The limiting value of cant deficiency for Meter Gauge routes is__________________? |
| A. | 40 mm |
| B. | 50 mm |
| C. | 75 mm |
| D. | 100 mm |
| Answer» C. 75 mm | |
| 46. |
The height of the rail for 52 kg rail section is_______________? |
| A. | 143 mm |
| B. | 156 mm |
| C. | 172 mm |
| D. | 129mm |
| Answer» C. 172 mm | |
| 47. |
The height of the center of arm of a semaphore signal above the ground is_________________? |
| A. | 5.5m |
| B. | 6.5 m |
| C. | 7.5 m |
| D. | 8.5m |
| Answer» D. 8.5m | |
| 48. |
The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is______________________? |
| A. | 4.27 m |
| B. | 4.88 m |
| C. | 5.49 m |
| D. | 6.10 m |
| Answer» C. 5.49 m | |
| 49. |
The formation width for a railway track depends on the_________________?_x005F_x000D_i) type of gauge_x005F_x000D_ii) number of tracks to be laid side by side_x005F_x000D_iii) slope of sides of embankment or cutting_x005F_x000D_The correct answer is? |
| A. | only (i) |
| B. | both (i) and (ii) |
| C. | both (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» C. both (i) and (iii) | |
| 50. |
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is___________________? |
| A. | 6.10 m |
| B. | 8.84 m |
| C. | 10.21m |
| D. | 10.82 m |
| Answer» D. 10.82 m | |