Quiznetik

Railway Engineering | Set 4

1. In U.S.A., rails used are

Correct : B. 30 m

2. The rail seat is given a slope of

Correct : B. 1 in 20

3. Staggered rail joints are generally provided on curves.

Correct : A. Correct

4. In India, for metre gauge track, the maximum height of a loaded goods wagon is fixed as

Correct : A. 3.43 m

5. The railway sleepers should act as elastic medium between the rails and the ballast.

Correct : A. Correct

6. To prevent the change in gauge and creep, the steel sleepers are fixed by clips, bolts and

Correct : D. four keys

7. Which of the following sleeper provide best elasticity of track?

Correct : A. Wooden sleeper

8. Which of the following statement is correct?

Correct : D. Facing points are such places in the track where trains first pass over switches and then over crossings.

9. The joint generally not used on Indian railway is

Correct : D. bridge joint

10. To keep the railway yard dry, the ballast used is

Correct : D. both (a) and (b)

11. The distance between the running face of the stock rail and the toe of the tongue rail, is known as

Correct : D. throw of switch

12. The rail section is designated by its

Correct : D. weight per metre length

13. The first train in India was run in

Correct : D. 1853

14. In supported rail joint, both the ends of adjoining rails are supported on a

Correct : A. single sleeper

15. The speed of the locomotives will be more if the gauge is wider.

Correct : A. Correct

16. The type of sleeper used, depends upon

Correct : D. all of the above

17. The boxing of ballast is done to prevent

Correct : C. both lateral and longitudinal movement of sleepers

18. The dog spikes are used for fixing rail to the

Correct : A. wooden sleepers

19. The fish plates should be designed for

Correct : D. all of the above

20. On Indian railways, the grade compensation provided on narrow gauge curves is same as that on metre gauge.

Correct : B. Wrong

21. The main purpose of welding rails is to

Correct : D. all of the above

22. The platform should be provided

Correct : C. 1.676 m

23. A CST - 9 sleeper consists of

Correct : C. both (a) and (b)

24. The mass of a cast iron sleeper is

Correct : C. 113.4 kg

25. The width of top portion of a flat - footed rail, is

Correct : A. 66.67 mm

26. For main cities and routes of maximum intensities, the type of gauge adopted is

Correct : A. broad gauge

27. The trailing points in a track are those points at which the train

Correct : B. first pass over crossings and then over switches

28. For hilly areas and thinly populated areas, narrow gauge is adopted.

Correct : A. True

29. The heel divergency recommended for broad gauge tracks by the India railways is

Correct : C. 133 mm

30. The standard width of ballast for metre gauge track on Indian railways, is

Correct : A. 2.3 m

31. When the main line is on a curve and has a turn out of contrary flexure leading to a branch line, then the branch line curve has a

Correct : B. negative cant

32. In hogging

Correct : A. the rail ends get bent down and deflected due to loose packing under the joints

33. The first train in India was run between

Correct : B. Mumbai (Bombay) and Thane

34. The type of turn-out in which both the turn out rails are movable is known as

Correct : A. Wharton safety switches

35. The flat - footed rail is mostly used in Indian railways because of its lateral rigidity.

Correct : A. Agree

36. Packing of ballast is done near the ends of sleeper.

Correct : B. False

37. The bull - headed and double headed rails do not require bearing plates for flixing.

Correct : A. Agree

38. No sleeper is placed just below the rail joint, as it will cause

Correct : D. both (a) and (b)

39. Adzing is done in the sleepers to give a slope of

Correct : B. 1 in 20

40. The technical term used to denote the pulling back of the tracks is known as

Correct : B. slewing

41. The main disadvantage of cast iron sleeper is

Correct : D. both (a) and (b)

42. On Indian railways, minimum formation width in embankment for a single line of broad gauge, is

Correct : B. 6.1 m

43. The total effective area of the pot sleepers is

Correct : C. 0.46 m2

44. On Indian railways, the grade compensation provided on broad gauge curves is

Correct : C. 0.04 percent per degree

45. The railway system of of India is the

Correct : B. second

46. In the cross - sections of railway tracks, side slope in embankments is kept as

Correct : C. 2 ; 1

47. The length of platform for broad gauge should not be less than

Correct : C. 300 mm

48. Which of the following statement is correct?

Correct : D. The sand ballast causes wear of rail seats and keys.

49. The largest dimension of a rail section is

Correct : C. height

50. The station where lines from three or more directions meet is called a

Correct : C. junction station

51. A good ballast, when laid on formation, should have sufficient voids.

Correct : A. Yes

52. Generally, the rail section is designed by assuming that it can bear a load equal to

Correct : D. 560 times

53. The standard size of wooden sleepers on broad gauge railway track is

Correct : C. 2.74 m x 25 cm x 13 cm

54. A track is laid over

Correct : B. formation

55. The number of dog spikes normally used per rail seat on curved track is

Correct : B. one inside and two outside

56. The rail chairs are generally made of

Correct : A. cast iron

57. The switch angle is the angle subtended between the gauge faces of the

Correct : A. tongue rail and check rail

58. The level of both the rails on straight lengths should be different.

Correct : B. False

59. The minimum value of flangeway clearance is

Correct : A. 60 mm

60. Anchors are also known as anti - creepers.

Correct : A. Correct

61. Rail chairs are used to fix

Correct : C. double headed rails

62. Charles Vignole invented

Correct : C. flat footed

63. The main purpose of using bering plates is to

Correct : D. all of these

64. The speed of a locomotive, in India, on metre gauge is restricted up to

Correct : B. 80 km/h

65. The ballast material generally used on Indian railways consist of

Correct : D. all of these

66. The chief function of sleepers is to

Correct : D. all of the above

67. A three-throw requires

Correct : C. two sets of switches and three crossings

68. On Indian railways, the number of fish bolts used to connect one pair of fish plates to the rails are

Correct : B. four

69. Which of the following statement is wrong?

Correct : D. all of the above

70. If ? is the switch angle and R is the radius of the turn out, the length of tongue rail will be

Correct : B. R tan ? / 2

71. For new embankments in black cotton soil, the material used as blanket is

Correct : B. moorum

72. In India, the ruling gradient provided in plains for one locomotive train, is

Correct : A. 1 in 150 to 1 in 200

73. The holding power of screw spikes is less than dog spikes.

Correct : B. No

74. When one track is superimposed on the other track, it is known as

Correct : C. Gaunlet track

75. The flow of rail metal due to abnormally heavy loads is called

Correct : C. wear of rails

76. Which of the following statement is correct?

Correct : D. all of the above

77. The width of platform, under no circumstances, should be less than

Correct : B. 4 m

78. A cross-over requires

Correct : A. two sets of switches and two crossings

79. The bearing plates are used to fix

Correct : A. flat footed

80. Minimum packing space provided between two sleepers is

Correct : B. 300 to 350 mm

81. Under the sleepers,

Correct : B. packing

82. The minimum depth of ballast for broad gauge tracks on Indian railways is

Correct : B. 250 mm

83. The distance between the running edge of the stock and switch rails at the switch heel, is called

Correct : D. either (a) or (b)

84. In India, the sleeper density provided is

Correct : A. 18 sleepers per rail length

85. For broad gauge main lines with maximum traffic loads, the rail section provided should have

Correct : B. 44.7 to 56.8 kg/m

86. Which of the following statement is correct?

Correct : D. all of the above

87. The wooden sleepers are the ideal sleepers

Correct : A. Yes

88. The standard width of ballast for broad gauge track on Indian railways, is

Correct : C. 3.35 m

89. According to Indian Railways Board, the minimum distance between the centre to centre of two tracks for broad gauge is

Correct : A. 4.725 m

90. The composite sleeper index determines the

Correct : A. suitability of the wooden sleepers

91. Between two rails, a gap of

Correct : A. 1.5 mm to 3 mm

92. The rail section is divided on the basis of

Correct : C. gauge of the track

93. The distance between the adjacent faces of the stock rail and the check rail, is called

Correct : C. flangeway clearance

94. The number of sleepers used per rail length on the track is known as

Correct : B. sleeper density

95. The standard size of wooden sleepers on metre gauge railway track is

Correct : B. 1.83 m x 20 cm x 11 cm

96. For station yards, Indian railways have recommended a gradient of

Correct : D. 1 in 1000

97. The longitudinal movement of the rails in a track is technically known as

Correct : C. creeping

98. The heel divergence is always

Correct : C. greater than

99. The bull headed rails are provided on points and crossings.

Correct : A. Yes

100. Which of the following statement is wrong?

Correct : C. The next signal after outer signal towards station is a routing signal.