McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 1. |
A triangle is used for |
| A. | changing the direction of engine |
| B. | transferring wagons to and from parallel tracks without shunting |
| C. | separating all the sidings and shunting lines from main lines |
| D. | preventing the vehicles from running off the track |
| Answer» A. changing the direction of engine | |
| 2. |
Heel divergence is |
| A. | always less than flange-way clearance |
| B. | equal to flange-way clearance |
| C. | always greater than flange-way clearance |
| D. | sometimes greater than flange-way clearance |
| Answer» C. always greater than flange-way clearance | |
| 3. |
Stretcher bar is provided |
| A. | to permit lateral movement of the tongue rail |
| B. | to maintain the two tongue rails at the exact distance |
| C. | to ensure exact gauge at the toe of the switch as well as the nose of crossing |
| D. | to prevent any vertical movement between the wing rail and nose of crossing |
| Answer» B. to maintain the two tongue rails at the exact distance | |
| 4. |
Cant deficiency occurs when a vehicle travels around a curve at |
| A. | equilibrium speed |
| B. | speeds higher than equilibrium speed |
| C. | speeds lower than equilibrium speed |
| D. | booked speed |
| Answer» B. speeds higher than equilibrium speed | |
| 5. |
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» D. round spike | |
| 6. |
Flat mild steel bearing plates are used |
| A. | for points and crossings in the lead portion |
| B. | with wooden sleepers at locations where creep is likely to be developed |
| C. | on all joints and curves |
| D. | on all the above |
| Answer» A. for points and crossings in the lead portion | |
| 7. |
Composite sleeper index is the index of |
| A. | hardness and strength |
| B. | strength and toughness |
| C. | toughness and wear resistance |
| D. | wear resistance and hardness |
| Answer» A. hardness and strength | |
| 8. |
Staggered joints are generally provided |
| A. | on curves |
| B. | on straight track |
| C. | when two different rail sections are required to be joined |
| D. | none of the above |
| Answer» A. on curves | |
| 9. |
Creep is the |
| A. | longitudinal movement of rail |
| B. | lateral movement of rail |
| C. | vertical movement of rail |
| D. | difference in level of two rails |
| Answer» A. longitudinal movement of rail | |
| 10. |
Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called |
| A. | roaring rails |
| B. | hogged rails |
| C. | corrugated rails |
| D. | buckled rails |
| Answer» B. hogged rails | |
| 11. |
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» A. to join the two rails together | |
| 12. |
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» C. avoid the stress concentration | |
| 13. |
Two important constituents in the composition of steel used for rail are |
| A. | carbon and silicon |
| B. | manganese and phosphorous |
| C. | carbon and manganese |
| D. | carbon and sulphur |
| Answer» C. carbon and manganese | |
| 14. |
Flange-way clearance is the distance |
| A. | between the adjoining faces of the running rail and the check rail near the crossing |
| B. | between the gauge faces of the stock rail and the tongue rail |
| C. | through which the tongue rail moves laterally at the toe of the switch |
| D. | none of the above |
| Answer» A. between the adjoining faces of the running rail and the check rail near the crossing | |
| 15. |
Which of the following types of sleepers is preferred on joints? |
| A. | cst-9 sleeper |
| B. | steel trough sleeper |
| C. | wooden sleeper |
| D. | concrete sleeper |
| Answer» C. wooden sleeper | |
| 16. |
Total effective bearing area of both the bowls of a pot sleeper, is |
| A. | slightly more than that of a wooden sleeper |
| B. | slightly less than that of a wooden sleeper |
| C. | equal to that of a wooden sleeper |
| D. | none of these |
| Answer» C. equal to that of a wooden sleeper | |
| 17. |
Pick up the incorrect statement from the following: |
| A. | sleepers hold the rails at proper gauge on straights |
| B. | sleepers provide stability to the permanent way |
| C. | sleepers act as an elastic cushion between rails and ballast |
| D. | none of these |
| Answer» D. none of these | |
| 18. |
On Indian Railways, number of a crossing is defined as |
| A. | sine of angle of crossing |
| B. | cosine of angle of crossing |
| C. | tangent of angle of crossing |
| D. | contingent of angle of crossing |
| Answer» D. contingent of angle of crossing | |
| 19. |
Pandrol clips cannot be used with |
| A. | wooden sleepers |
| B. | concrete sleepers |
| C. | cst-9 sleepers |
| D. | steel trough sleepers |
| Answer» C. cst-9 sleepers | |
| 20. |
For providing the required tilt of rails, adazing of wooden sleepers, is done for |
| A. | bull headed rails |
| B. | double headed rails |
| C. | flat footed rails |
| D. | any type of rails |
| Answer» C. flat footed rails | |
| 21. |
If n is length of a rail in metres, the number of sleepers per rail length generally varies from |
| A. | n to (n + 2) |
| B. | (n + 2) to (n + 4) |
| C. | (n + 3) to (n + 6) |
| D. | (n + 4) to (n + 5) |
| Answer» C. (n + 3) to (n + 6) | |
| 22. |
Normally maximum cant permissible in Meter Gauge is |
| A. | 75 mm |
| B. | 90 mm |
| C. | 140 mm |
| D. | 165 mm |
| Answer» B. 90 mm | |
| 23. |
Type of switch rails generally adopted for modern track, is |
| A. | straight switch |
| B. | curved switch |
| C. | loose heel switch |
| D. | bent switch |
| Answer» B. curved switch | |
| 24. |
Lead of crossing is the distance from the |
| A. | heel of the switch to the toe of the switch |
| B. | heel of the switch to the theoretical nose of the crossing |
| C. | toe of the switch to the theoretical nose of crossing |
| D. | toe of the switch to the actual nose of crossing |
| Answer» B. heel of the switch to the theoretical nose of the crossing | |
| 25. |
The place where a railway line and a road cross each other at the same level, is known as |
| A. | cross over |
| B. | railway junction |
| C. | road junction |
| D. | level crossing |
| Answer» D. level crossing | |
| 26. |
If the stock rails are B.H. rails, the type of switch generally provided, is |
| A. | articulated |
| B. | undercut |
| C. | over riding |
| D. | straight cut |
| Answer» D. straight cut | |
| 27. |
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» A. to ensure that each switch is correctly set | |
| 28. |
Minimum composite sleeper index for wooden sleepers used in cross-overs, is |
| A. | 1152 |
| B. | 1252 |
| C. | 1352 |
| D. | 1452 |
| Answer» C. 1352 | |
| 29. |
The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known |
| A. | hogging |
| B. | buckling |
| C. | creeping |
| D. | none of these |
| Answer» B. buckling | |
| 30. |
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» A. both arms are horizontal | |
| 31. |
The standard dimensions of a wooden sleeper for M.G. railway track are |
| A. | 2.74 m × 25 cm × 13 cm |
| B. | 1.83 m × 20 cm × 11 cm |
| C. | 1.52 m × 15 cm × 10 cm |
| D. | 1.75 m × 20 cm × 12 cm |
| Answer» B. 1.83 m × 20 cm × 11 cm | |
| 32. |
To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by |
| A. | 3 mm |
| B. | 4 mm |
| C. | 5 mm |
| D. | 6 mm |
| Answer» A. 3 mm | |
| 33. |
Wear of rails is maximum in weight of |
| A. | tangent track |
| B. | sharp curve |
| C. | tunnels |
| D. | coastal area |
| Answer» B. sharp curve | |
| 34. |
Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of |
| A. | 10 m |
| B. | 15 m |
| C. | 20 m |
| D. | 30.5 m |
| Answer» D. 30.5 m | |
| 35. |
For even distribution of load through ballast, load dispersal is assumed as |
| A. | 30° to the vertical |
| B. | 45° to the vertical |
| C. | 60° to the vertical |
| D. | none of these |
| Answer» B. 45° to the vertical | |
| 36. |
For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» C. 900 | |
| 37. |
Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways |
| A. | 1.435 m as adopted in england |
| B. | 1.800 m as per indian conditions |
| C. | 1.676 m as a compromise gauge |
| D. | 1.000 m as a standard gauge |
| Answer» C. 1.676 m as a compromise gauge | |
| 38. |
The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is |
| A. | nose thickness × |
| B. | nose thickness × |
| C. | nose thickness × |
| D. | nose thickness × |
| Answer» B. nose thickness × | |
| 39. |
The rail is designated by its |
| A. | length |
| B. | weight |
| C. | cross-section |
| D. | weight per unit length |
| Answer» D. weight per unit length | |
| 40. |
Best ballast contains stones varying in size from |
| A. | 1.5 cm to 3 cm |
| B. | 2.0 cm to 4 cm |
| C. | 2.0 cm to 5 cm |
| D. | 2.5 cm to 6 cm |
| Answer» C. 2.0 cm to 5 cm | |
| 41. |
A turn-in-curve is defined as |
| A. | a curve introduced between two straights |
| B. | a reverse curve |
| C. | a reverse curve introduced in continuity of a turn out |
| D. | a spiral transition curve |
| Answer» C. a reverse curve introduced in continuity of a turn out | |
| 42. |
Ordinary rails are made of |
| A. | mild steel |
| B. | cast iron |
| C. | wrought iron |
| D. | high carbon steel |
| Answer» D. high carbon steel | |
| 43. |
In India the rails are manufactured by |
| A. | open hearth process |
| B. | duplex process |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| Answer» C. both (a) and (b) | |
| 44. |
Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided |
| A. | to the tops of rails |
| B. | at rail seats in bearing plates |
| C. | at rail seats in chairs |
| D. | at rail seats in metal sleepers |
| Answer» A. to the tops of rails | |
| 45. |
If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is |
| A. | 10 chains |
| B. | 12 chains |
| C. | 14 chains |
| D. | 16 chains |
| Answer» C. 14 chains | |
| 46. |
Main disadvantage of steel sleepers, is: |
| A. | it gets rusted quickly |
| B. | its lugs sometimes get broken |
| C. | its lugs sometimes get split |
| D. | all the above |
| Answer» D. all the above | |
| 47. |
For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is |
| A. | 18 |
| B. | 19 |
| C. | 20 |
| D. | 21 |
| Answer» C. 20 | |
| 48. |
Bearing plates are used to fix |
| A. | flat footed rails to the wooden sleepers |
| B. | double headed rails to the wooden sleepers |
| C. | bull headed rails to the wooden sleepers |
| D. | flat footed rails to the cast iron sleepers |
| Answer» A. flat footed rails to the wooden sleepers | |
| 49. |
On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagons return from B to A daily. Amount of creep of the rails will be |
| A. | zero |
| B. | more in the direction a to b |
| C. | more in the direction b to a |
| D. | none of these |
| Answer» B. more in the direction a to b | |
| 50. |
The desirable rate of change of cant deficiency in case of Metre Gauge is |
| A. | 20 mm/sec |
| B. | 35 mm/sec |
| C. | 55 mm/sec |
| D. | 65 mm/sec |
| Answer» B. 35 mm/sec | |
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