1. In a railway line project, a tunnel has to be constructed when
- specified gradient is impossible to maintain on mountains
- the route along mountains is too long
- there is congested city on ground
- all of the above
2. In station yards the recommended minimum gradient is
- 1 in 400
- 1 in 600
- 1 in 1000
- 1 in 800
3. Railway yard, in which wagons are received, sorted and new trains are formed, is called
- Station yard
- Goods yard
- Marshalling yard
- Shunting yard
4. Wear of rails may be reduced by
- increasing the number of rail joints
- decreasing the number of rail joints
- using high carbon steel rail
- increasing the spacing of sleepers
5. To prevent creep in rails, steel sleepers are fixed with rails by clips, bolts and
- one key
- two keys
- three keys
- four keys
6. For inspection and packing of ballast, each pot sleeper is provided with
- one hole
- two holes
- three holes
- four holes
7. The small gap, left between adjoining rails at a rail joint, is provided for
- expansion or contraction of rails
- maintenance and cleaning of rails
- welding of rails
- none of these
8. Which of the following is NOT a primary cause of creep in metallic railway track?
- Heavy rainfall
- Braking action of engines
- Ironing out effect
- Wheel impact during track expansion or contraction
9. Which of the following is true in case of railway track maintenance?
- Shovel is used to lift rail while Rail tongs is used to handle ballast
- Rail tongs is used to lift rail while Shovel is used to handle ballast
- Shovel can be used to correct track alignment as well as to lift rail
- Rail tongs can be used to handle ballast as well as to remove dog spikes
10. Which of the following is true in case of railway track maintenance?
- Claw bar is used to correct track alignment while crow bar is used to remove dog spikes
- Crow bar is used to correct track alignment while claw bar is used to remove dog spikes
- Only claw bar can be used to correct track alignment and remove dog spikes
- Only crow bar can be used to correct track alignment and remove dog spikes
11. Consider the following surveys
- Reconnaissance survey
- Preliminary survey
- Traffic survey
- Location survey
The correct sequence in which these surveys are conducted before the alignment of track is finalized is
- iii, i, ii, iv
- iii, i, iv, ii
- i, iii, ii, iv
- i, iii, iv, ii
12. The method used for plate laying in India is
- side method
- telescopic metho
- american method
- all of these
13. Which of the following are related to maintenance of railway track?
- Jim crow and gauge bar
- Through packing and boxing
- Buffer stop and sand hump
- Creep adjustment
Select the correct answer:
- i, ii and iii
- i, iii and iv
- ii, iii and iv
- i, ii and iv
14. Wear of rails may be reduced by
- increasing the number of rail joints
- decreasing the number of rail joints
- using high carbon steel rail
- increasing the spacing of sleepers
15. Wear of rails is maximum in
- sharp curve
- tangent track
- coastal area
- tunnels
16. Which one of the following statement is correct regarding ballast used for railway tracks?
- The minimum depth of ballast for B.G. section is 20 cm-25 cm
- The quantity of stone ballast required for one metre length of track is 0.53 m for B.G. section
- For M.G. section the width of ballast is 1.83 m
- The minimum depth of ballast for N.G. section is 10 cm
17. Creeping of rails can be checked by using
- chairs
- bearing plates
- spikes
- anchors
18. The rail section is designated by its
- total length
- total weight
- cross-sectional area
- weight per meter length
19. The rail sections nowadays design in India railways is
- Double headed type
- Dumb bell type
- Bull headed type
- Flat footed type
20. Bull headed rails are generally provided on
- points and crossing
- straight tangents
- curved tracks
- meter gauge tracks