railway engineering Mcqs
1. To ensure exact gauge, the gauge tie plates are provided at_________________?
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A. toe of the switch

B. nose of crossing

C. both (A) and (B)

D. none of the above

2. Which of the following turnouts is most commonly used for goods train on Indian Railways ?
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A. 1 in 8/2

B. 1 in 12

C. 1 in 16

D. 1 in 20

3. The nominal size of ballast used for points and crossings is___________________?
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A. 25 mm

B. 50 mm

C. 40 mm

D. 10mm

4. Study the following statements regarding creep_________________?
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A. correct answer is?

B. ) Creep is more on steep gradients than on level track</strong>

C. Creep in new rails is more than that in old rails

D. Creep is greater on curves than on tangent railway track
5. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is___________________?
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A. 10.82 m

B. 10.21m

C. 8.84 m

D. 6.10 m

6. Flat mild steel bearing plates are used_________________?
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A. on all joints and curves

B. with wooden sleepers at locations where creep is likely to be developed

C. for points and crossings in the lead portion

D. on all the above

7. The limiting value of cant gradient for all gauges is___________________?
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A. 1 in 1000

B. 1 in 1200

C. 1 in 360

D. 1 in 720
8. Which of the following types of sleepers is preferred on joints ?
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A. steel trough sleeper

B. concrete sleeper

C. CST-9 sleeper

D. wooden sleeper
9. Which of the following statements regarding ballast materials are correct ?
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A. Brick ballast has poor drainage characteristics.

B. Gravel ballast gives better performance on soft formation.

C. Sand ballast causes excessive wear on top of rail

D. Coal ash is not used as ballast with steel or cast iron sleepers.

10. Pandrol clips cannot be used with__________________?
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A. steel trough sleepers

B. concrete sleepers

C. CST-9 sleepers

D. wooden sleepers

11. Stretcher bar is provided________________?
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A. to permit lateral movement of the tongue rail

B. to ensure exact gauge at the toe of the switch as well as the nose of crossing

C. to maintain the two tongue rails at the exact distance

D. to prevent any vertical movement between the wing rail and nose of crossing

12. A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?
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A. 22.5 tonnes

B. 45.0 tonnes

C. 15.0 tonnes

D. 90.0 tonnes

13. The purpose of providing fillet in a rail section is to_________________?
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A. increase the vertical stiffness

B. increase the lateral strength

C. avoid the stress concentration

D. reduce the wear

14. avoidance of block instruments 4. higher operating cost Of these statements_____________________?
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A. 3 and 4 are correct

B. 2 and 3 are correct

C. I and 2 are correct

D. 1 and 4 are correct

15. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is_________________?
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A. elastic spike

B. dog spike

C. round spike

D. rail screw

16. Sleeper density in India is normally kept as___________________?
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A. MtoM+2

B. M

C. M + 5toM+10

D. M + 2 to M + 7
17. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is___________________?
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A. mild steel canted bearing plate

B. cast iron anti creep bearing plate

C. none of the above

D. flat mild steel bearing plate

18. The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called_________________?
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A. flangeway clearance

B. heel divergence

C. throw of the switch

D. none of the above

19. In a scissors cross-over, the crossings provided are_________________?
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A. 2 obtuse angle crossings

B. 6 acute angle crossings</strong>

C. ) 4 acute angle crossings

D. 4 obtuse angle crossings

E. correct answer is ?

20. In a shunting signal if the red band is inclined at 45 it indicates_________________?
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A. none of the above

B. stop

C. proceed cautiously

D. proceed
21. Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
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A. detectors

B. stretcher bar

C. iock bar

D. point lock

22. The following tests are conducted for rails _________________?
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A. compulsory tests are?

B. falling weight test

C. tensile test

D. ) hammer test</strong>

23. If A is the angle formed by two gauge faces, the crossing number will be____________________?
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A. tan A

B. cot A

C. Arad

D. sec A

24. Lead of crossing is the distance from the__________________?
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A. heel of the switch to the theoretical nose of the crossing

B. heel of the switch to the toe of the switch

C. toe of the switch to the actual nose of crossing

D. toe of the switch to the theoretical nose of crossing

25. Ordinary rails are made of_______________?
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A. wrought iron

B. mild steel

C. cast iron

D. high carbon steel
26. For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is________________?
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A. 21

B. 20

C. 19

D. 18

27. Maximum value of throw of switch for Broad Gauge track is__________________?
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A. 115 mm

B. 89 mm

C. 95 mm

D. 100 mm

28. Staggered joints are generally provided__________________?
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A. none of the above

B. when two different rail sections are required to be joined

C. on curves

D. on straight track

29. Standard size of wooden sleeper for Broad Gauge track is____________________?
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A. 225x23x13 cm

B. 250x26x12 cm

C. 275x25x13cm

D. 180x20x11.5 cm

30. For the purpose of track maintenance, the number of turn out equivalent to one track km are__________________?
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A. 1

B. 2

C. 10

D. 5

31. The reception signal is__________________?
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A. advanced starter

B. home signal

C. correct answer is?

D. outer signal

E. ) starter

32. Number of cotters used in CST-9 sleepers is__________________?
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A. 4

B. 3

C. 2

D. 5

33. Dog spikes are used for fixing rail to the__________________?
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A. steel trough sleepers

B. CST-9 sleepers

C. concrete sleepers

D. wooden sleepers
34. Largest dimension of a rail is its________________?
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A. height

B. any of the above

C. foot width

D. head width

35. 60 R rails are mostly used in__________________?
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A. Broad Gauge

B. Narrow Gauge

C. none of the above

D. Metre Gauge
36. At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is______________?
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A. 62

B. 51

C. 78

D. 70
37. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is_______________?
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A. 1352

B. 1455

C. 783

D. 552

38. Normally the limiting value of cant is________________?
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A. G/8

B. G/12

C. G/10

D. G/15

39. The main function of a fish plate is________________?
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A. to allow rail to expand and contract freely

B. to join the two rails together

C. to join rails with the sleeper

D. none of the above

40. A Broad Gauge branch line takes off as a contrary flexure from a main line If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the superelevation to be actually provided on the branch line will be__________________?
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A. 85 mm

B. 64 mm

C. 65 mm

D. 10 mm

41. Switch angle depends on______________?
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A. length of tongue rail

B. heel divergence

C. correct answer is?

D. ) flangeway clearance

E. throw of switch</strong>

42. The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by__________________?
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A. SL = L + CL

B. CL = L SL

C. L = (CL+SL)/2

D. L =CL-SL
43. The maximum degree of curvature for Meter Gauge is limited to_________________?
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A. 10

B. 16

C. 30

D. 40

44. Switch angle is the angle between___________________?
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A. the outer face of the stock rail and the gauge face of the tongue rail

B. the outer face of the stock rail and tongue rail

C. the gauge face of the stock rail and outer face of the tongue rail

D. the gauge face of the stock rail and tongue rail
45. The desirable rate of change of cant deficiency in case of Metre Gauge is_______________?
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A. 55 mm/sec

B. 65 mm/sec

C. 35 mm/sec

D. 20 mm/sec

46. A treadle bar is used for_____________________?
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A. interlocking points and signal

B. setting points and crossings

C. setting marshalling yard signals

D. track maintenance

47. Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
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A. scotch block

B. turntable

C. triangle

D. traverser
48. Vertical curves are provided where algebraic difference between grades is equal to or_________________?
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A. more than 4mm/m

B. more than 2 mm/m

C. less than 2 mm/m

D. less than 4 mm/m

49. Creep is the_______________?
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A. vertical movement of rail

B. lateral movement of rail

C. longitudinal movement of rail

D. difference in level of two rails

50. The slipping of driving wheels of locomotives on the rail surface causes_______________?
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A. corrugation of rails

B. wheel burns

C. scabbing of rails

D. hogging of rails