22403 Railway and Bridge Engineering MCQ Civil Engineering 4th Semester Mcqs mypractically
Railway Engineering Objective type Questions and Answers
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1. The rail is designated by its
a) length
b) weight
c) cross-section
d) weight per unit length
Ans: d
2. Two important constituents in the composition of the steel used for rail are
a) carbon and silicon
b) manganese and phosphorous
c) carbon and manganese
d) carbon and sulfur
Ans: c
3. 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
Ans: c
4. The following tests are conducted for rails:
i) falling weight test
ii) tensile test
iii) hammer test
The compulsory tests are
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i) and (iii)
Ans: b
5. Largest dimension of a rail is its
a) height
b) foot width
c) head width
d) any of the above
Ans: a
6. Largest percentage of material in the rail is in its
a) head
b) web
c) foot
d) head and foot both
Ans: a
7. 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
Ans: c
8. The cross-sectional area of 52 kg flat footed rail is
a) 6155 mm2
b) 6615 mm2
c) 7235 mm2
d) 7825 mm2
Ans: b
9. 52 kg rails are mostly used in
a) Broad Gauge
b) Meter Gauge
c) Narrow Gauge
d) both (a) and (b)
Ans: a
10. Tensile strength of steel used in rails should not be less than
a) 450 MPa
b) 500 MPa
c) 700 MPa
d) 850 MPa
Ans: c
b) weight
c) cross-section
d) weight per unit length
Ans: d
2. Two important constituents in the composition of the steel used for rail are
a) carbon and silicon
b) manganese and phosphorous
c) carbon and manganese
d) carbon and sulfur
Ans: c
3. 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
Ans: c
4. The following tests are conducted for rails:
i) falling weight test
ii) tensile test
iii) hammer test
The compulsory tests are
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i) and (iii)
Ans: b
5. Largest dimension of a rail is its
a) height
b) foot width
c) head width
d) any of the above
Ans: a
6. Largest percentage of material in the rail is in its
a) head
b) web
c) foot
d) head and foot both
Ans: a
7. 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
Ans: c
8. The cross-sectional area of 52 kg flat footed rail is
a) 6155 mm2
b) 6615 mm2
c) 7235 mm2
d) 7825 mm2
Ans: b
9. 52 kg rails are mostly used in
a) Broad Gauge
b) Meter Gauge
c) Narrow Gauge
d) both (a) and (b)
Ans: a
10. Tensile strength of steel used in rails should not be less than
a) 450 MPa
b) 500 MPa
c) 700 MPa
d) 850 MPa
Ans: c
11. Head width of 52 kg rail section is
a) 61.9 mm
b) 66.7mm
c) 67mm
d) 72.33 mm
Ans: c
a) Broad Gauge
b) Metre Gauge
c) Narrow Gauge
d) none of the above
Ans: b
13. Ordinary rails are made of
a) mild steel
b) cast iron
c) wrought iron
d) high carbon steel
Ans: d
14. 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
Ans: a
15. Number offish bolts per fish plate is
a) 2
b) 4
c) 5
d) 6
Ans: b
16. Fish plate is in contact with rail at
a) web of rail
b) fishing plane
c) head of rail
d) foot of rail
Ans: b
17. 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
Ans: b
18. Which of the following factors govern the choice of the gauge ?
i) volume and nature of traffic
ii) speed of train
iii) physical features of the country
The correct answer is
a) only (i)
b) both (i) and (ii)
c) both (ii) and (iii)
d) (i), (ii) and (iii)
Ans: d
19. For developing thinly populated areas, the correct choice of gauge is
a) Broad Gauge
b) Meter Gauge
c) Narrow Gauge
d) any of the above
Ans: c
20. 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
Ans: b
a) 61.9 mm
b) 66.7mm
c) 67mm
d) 72.33 mm
Ans: c
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12. 60 R rails are mostly used ina) Broad Gauge
b) Metre Gauge
c) Narrow Gauge
d) none of the above
Ans: b
13. Ordinary rails are made of
a) mild steel
b) cast iron
c) wrought iron
d) high carbon steel
Ans: d
14. 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
Ans: a
15. Number offish bolts per fish plate is
a) 2
b) 4
c) 5
d) 6
Ans: b
16. Fish plate is in contact with rail at
a) web of rail
b) fishing plane
c) head of rail
d) foot of rail
Ans: b
17. 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
Ans: b
18. Which of the following factors govern the choice of the gauge ?
i) volume and nature of traffic
ii) speed of train
iii) physical features of the country
The correct answer is
a) only (i)
b) both (i) and (ii)
c) both (ii) and (iii)
d) (i), (ii) and (iii)
Ans: d
19. For developing thinly populated areas, the correct choice of gauge is
a) Broad Gauge
b) Meter Gauge
c) Narrow Gauge
d) any of the above
Ans: c
20. 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
Ans: b
21. 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
Ans: a
a) wheel burns
b) hogging of rails
c) scabbing of rails
d) corrugation of rails
Ans: a
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22. 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
Ans: c
23. The height of the rail for 52 kg rail section is
a) 143 mm ,
b) 156 mm
c) 172 mm '
d) 129mm
Ans: b
24. The formation width for a railway track depends on the
i) type of gauge
ii) number of tracks to be laid side by side
iii) slope of sides of embankment or cutting The correct answer is
a) only (i)
b) both (i) and (ii)
c) both (i) and (iii)
d) (i), (ii) and (iii)
Ans: b
25. 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
Ans: b
26. 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
Ans: c
27. 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
Ans: c
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
Ans: d
29. 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
Ans: a
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30. Anti creep bearing plates are provided ona) bridges and approaches
b) joints
c) both (a) and (b)
d) none of the above
Ans: d
31. Study the following statements regarding creep.
i) Creep is greater on curves than on tangent railway track,
ii) Creep in new rails is more than that in old rails,
iii) Creep is more on steep gradients than on level track. The correct answer is
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i), (ii) and (iii)
Ans: b
32. The maximum degree of curvature for Meter Gauge is limited to
a) 10°
b) 16°
c) 30°
d) 40°
Ans: b
33. 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
Ans: a
34. 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
Ans: a
35. 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
Ans: c
36. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is
a) 15 cm
b) 20 cm
c) 25 cm
d) 30cm
Ans: c
37. Sleeper density in India is normally kept as
a) M + 2 to M + 7
b) MtoM+2
c) M + 5toM+10
d) M
where M is the rail length in meters.
Ans: a
38. 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
Ans: c
39. Standard size of wooden sleeper for Broad Gauge track is
a) 275x25x13cm
b) 180x20x11.5 cm
c) 225x23x13 cm
d) 250x26x12 cm
Ans: a
40. 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
Ans: a
i) Creep is greater on curves than on tangent railway track,
ii) Creep in new rails is more than that in old rails,
iii) Creep is more on steep gradients than on level track. The correct answer is
a) only (i)
b) (i)and(ii)
c) (ii) and (iii)
d) (i), (ii) and (iii)
Ans: b
32. The maximum degree of curvature for Meter Gauge is limited to
a) 10°
b) 16°
c) 30°
d) 40°
Ans: b
33. 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
Ans: a
34. 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
Ans: a
35. 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
Ans: c
36. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is
a) 15 cm
b) 20 cm
c) 25 cm
d) 30cm
Ans: c
37. Sleeper density in India is normally kept as
a) M + 2 to M + 7
b) MtoM+2
c) M + 5toM+10
d) M
where M is the rail length in meters.
Ans: a
38. 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
Ans: c
39. Standard size of wooden sleeper for Broad Gauge track is
a) 275x25x13cm
b) 180x20x11.5 cm
c) 225x23x13 cm
d) 250x26x12 cm
Ans: a
40. 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
Ans: a
41. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is
a) 552
b) 783
c) 1352
d) 1455
Ans: b
42. Dog spikes are used for fixing rail to the
a) wooden sleepers
b) CST-9 sleepers
c) steel trough sleepers
d) concrete sleepers
Ans: a
43. 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
Ans: b
44. 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
Ans: b
45. 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
Ans: a
46. The nominal size of ballast used for points and crossings is
a) 25 mm
b) 40 mm
c) 50 mm
d) 10mm
Ans: a
a) 51
b) 62
c) 70
d) 78
Ans: c
48. Width of ballast section for Broad Gauge is
a) 1.83 m
b) 2.25 m
c) 3.35 m
d) 4.30 m
Ans: c
49. 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
Ans: d
50. 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
Ans: a
a) 552
b) 783
c) 1352
d) 1455
Ans: b
42. Dog spikes are used for fixing rail to the
a) wooden sleepers
b) CST-9 sleepers
c) steel trough sleepers
d) concrete sleepers
Ans: a
43. 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
Ans: b
44. 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
Ans: b
45. 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
Ans: a
46. The nominal size of ballast used for points and crossings is
a) 25 mm
b) 40 mm
c) 50 mm
d) 10mm
Ans: a
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47. At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge isa) 51
b) 62
c) 70
d) 78
Ans: c
48. Width of ballast section for Broad Gauge is
a) 1.83 m
b) 2.25 m
c) 3.35 m
d) 4.30 m
Ans: c
49. 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
Ans: d
50. 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
Ans: a
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