Quiznetik

Railway Engineering | Set 5

1. Stock rails are fitted

Correct : C. against tongue rails

2. For broad gauge track, in Indian railways, the standard length of the rail is

Correct : C. 11.89 m

3. Superelevation on curves is provided by means of

Correct : D. all of these

4. In case the block system fails, then the system used is

Correct : B. time interval system

5. The mass of a rail chair is about

Correct : C. 22 kg

6. The size of ballast used on Indian railways for wooden sleepers is

Correct : D. 50 mm

7. Sleepers which satisfy all of the requirements and are only suitable for track circuiting are

Correct : A. wooden sleepers

8. The size of ballast used on Indian railways for steel sleepers is

Correct : B. 38 mm

9. Steel sleepers consist of steel troughs made out of about 6 mm thick steel sheets, with

Correct : A. its both ends bent down

10. The maximum limit of superelevation prescribed by Indian railways on narrow gauge is

Correct : A. 76.2 mm

11. For fixing the rail on steel sleepers

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

12. Due to the coning of wheels, the pressure of wheels is always near the

Correct : A. inner

13. When a train passes on curves which have no superelevation, it will give thrust on the

Correct : D. inner side of outer rail

14. The chief function of providing ballast in the railway track is

Correct : D. all of the above

15. In case of level crossing, the railway track and road cross each other at the

Correct : A. same

16. The size of ballast used on Indian railways under points and crossings is 25 mm.

Correct : A. Agree

17. The coning of wheels is made to prevent the

Correct : D. all of these

18. The railway system of India is the biggest in Asia.

Correct : A. Agree

19. Round spikes are not used for fixing

Correct : A. flat footed

20. The screw spikes take

Correct : A. more time

21. The fish plates fit the web of the rail section.

Correct : A. Right

22. The life of wooden sleepers depends upon

Correct : D. all of these

23. The rails are laid without bending, at flat curves, where the degree of curve is

Correct : A. less than 3?

24. The best wood for sleepes is

Correct : C. teak

25. When the rails get out of their original position due to insufficient expansion joint gap, the phenomenon is known as buckling.

Correct : A. Agree

26. The length of platform should be

Correct : C. more than

27. Which of the following statement is correct?

Correct : A. At every change of gauge the passengers have to change their train.

28. Wing rails are provided in crossings.

Correct : A. Yes

29. A triangle is used for

Correct : C. changing the direction of the engine

30. An advance starter signal is used for

Correct : A. shunting

31. Which of the following is a cast iron sleeper?

Correct : D. all of these

32. Creep is the

Correct : A. longitudinal

33. On Indian railways, cant deficiency allowed on metre gauge is

Correct : B. less than

34. The maximum limit of superelevation prescribed by Indian railways on metre gauge is

Correct : B. less than

35. The device used for changing the direction of engines is called

Correct : A. turn-tabes

36. A track assembly used for diverting train from one track to another is known as

Correct : A. turn-out

37. The reception signal is

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

38. The number of sleepers used for rail varies from, when n = Length of rail in metres.

Correct : B. (n + 3) to (n + 6)

39. Plate sleepers consist of a plate of dimensions

Correct : C. 851 mm x 254 mm

40. No signals are provided in case of

Correct : B. momentum gradient

41. The broad gauge is

Correct : D. 1.676 m

42. The station having two lines is called a

Correct : A. crossing station

43. In coning of wheels, the wheels are given a slope of

Correct : A. 1 in 20

44. The maximum gradient, in which a railway track may be laid in a particular section is known as

Correct : B. ruling gradient

45. At the time of construction of railway in India, after long controversy, the gauge adopted as a standard gauge was

Correct : C. 1.676 m

46. The split switch type of turn out

Correct : D. all of the above

47. For undeveloped areas, the type of gauge adopted is

Correct : B. metre gauge

48. The device provided to prevent the vehicles from moving beyond the end of rail at terminals is called

Correct : B. buffer stops

49. The width of narrow gauge is same as that of metre gauge.

Correct : B. Wrong

50. On India railways, the grade compensation provided on metre gauge curves is

Correct : B. 0.03 percent per degree

51. In order to counteract the increased lateral thrust on curves, an extra shoulder provided on the outside of curves is

Correct : C. 150 mm

52. The track from which train diverts is known as

Correct : B. main line

53. The gradient where extra engine is required to puch the train is known as

Correct : C. pusher gradient

54. R.C.C. sleepers are used in railways due to their

Correct : D. all of the above

55. The The screw spikes used for fixing the rails to wooden sleepers

Correct : D. all of the above

56. In India, the ruling gradient provided in hilly tracks for one locomotive train is 1 in 100 to 1 in 150.

Correct : A. Yes

57. The switch angle depends upon

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

58. A mono-block sleeper has a square cross - section.

Correct : B. Wrong

59. To reduce the wearing of rails, the rails are placed at an

Correct : A. inward slope of 1 in 20

60. To provide maximum stability to the track, graded stones from

Correct : A. 20 to 50 mm

61. The gauge is widened on curves of

Correct : C. more than

62. For metre gauge track, in Indian railways, the standard length of the rail is

Correct : D. 12.8 m

63. In Indian railways, themaximum wheel base distance on broad gauge is 4.058 m.

Correct : B. False

64. In India, the crossing number for passenger turnouts is taken as

Correct : D. 12

65. The impact of the rail wheel ahead of the joint gives rise to the creep of the rail. This statement is according to

Correct : B. percussion theory

66. The heel clearance is always measured

Correct : B. perpendicular

67. The minimum composite sleeper index for wooden sleepers used over cross-overs, is

Correct : A. 1352

68. The main device used for interlocking is

Correct : D. all of these

69. A warner signal, which is first seen by the driver is known as

Correct : C. outer signal

70. Which of the following statement is correct?

Correct : D. Spacing of sleepers in the middle of the rail is closer.

71. The ballast thrown around the sleepers and loosely filled on slopes is called boxing of ballast.

Correct : A. Correct

72. In a shunting signal, if the red band is horizontal, it indicates

Correct : A. stop

73. The 254 mm side of a plate sleeper is

Correct : B. parallel to the rail

74. The quantity of stone ballast required per metre tangent length for metre gauge is

Correct : A. 0.767 m3

75. Which of the following statement is correct?

Correct : D. all of the above

76. The fillet in a rail section is provided to

Correct : D. avoid stress concentration

77. The spike used for fixing chairs of bull headed rail to wooden sleepers is

Correct : B. round spike

78. The spike commonly used to fix the rails on wooden sleepers is

Correct : D. all of these

79. Which of the following statement is wrong?

Correct : D. In case of steel sleepers, the chairs are not welded.

80. The length of each fish plate is

Correct : B. 457.2 mm

81. The distance between two adjoining axles fixed in a rigid frame is known as

Correct : B. wheel base distance

82. The spacing of sleepers is kept

Correct : B. closer at the middle of rails

83. The maximum value of throw of switch for a broad gauge track is

Correct : B. 95 mm

84. In the cross - sections of railway tracks, the side slope in cutting is same as that in embankment.

Correct : B. False

85. The standard size of timber sleepers in railway tracks of metre gauge and narrow gauge is same.

Correct : B. No

86. When the train moves on the rail, it causes constant reversal of stresses.

Correct : A. Right

87. Creep causes

Correct : D. all of these

88. For metre gauge, 49.8 to 52.3 kg/m rail section is used.

Correct : B. False

89. Trailing points are on the

Correct : B. opposite

90. The rail section first designed in Indian railways was

Correct : A. double headed type

91. On Indian railways, cant deficiency allowed on broad gauge track is

Correct : C. 76 mm

92. The maximum limit of superelevation prescribed by Indian railways on narrow gauge is same as that on metre gauge.

Correct : B. Disagree

93. The minimum composite sleeper index for wooden sleepers used over bridge girders, is

Correct : B. 1455

94. In India, permissible limit of rail wear is

Correct : A. 5%

95. A good sleeper whould be such that

Correct : D. all of the above

96. George Stephenson succeeded in running the first train of the world in

Correct : A. 1825

97. The maximum limit of superelevation prescribed by Indian railways on broad gauge is

Correct : D. 165.1 mm

98. The overall depth of a dog spike is

Correct : A. 120.6 mm

99. The quantity of stone ballast required per metre tangent length for broad gauge is

Correct : B. 1.11 m3

100. Tractive force, due to which engine pulls the train, is

Correct : B. equal to