Civil Engineering Competitive Exam Questions - Railway Engineering Set 08 - ObjectiveBooks

# Practice Test: Question Set - 08

1. Rail tops of a track are placed
(A) Horizontal
(B) At an inward slope of 1 in 20
(C) At an outward slope of 1 in 20
(D) At an outward slope of 1 in 30

2. 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?
(A) 15.0 tonnes
(B) 22.5 tonnes
(C) 45.0 tonnes
(D) 90.0 tonnes

3. The type of switch generally used for B.G. and M.G. tracks, is
(A) Articulated
(B) Undercut
(C) Over riding
(D) Straight cut

4. For an effective administration, Indian railway system has been divided into
(A) Four railway zones
(B) Six railway zones
(C) Seven railway zones
(D) Nine railway zones

5. If 'A' is the angle formed by two gauge faces, the crossing number will be
(A) tan A
(B) cot A
(C) sec A

6. Heel divergency, the distance between the running faces of stock rail and gauge face of tongue rail, as recommended for Indian B.G. tracks, is
(A) 100 mm
(B) 119 mm
(C) 125 mm
(D) 135 mm

7. Pick up the incorrect statement from the following:
(A) Ends of adjoining rails should be in true alignment
(B) Rail joints should be as strong as the rail section itself
(C) Rail joints should be elastic laterally as well as vertically
(D) All the above

8. Tensile strength of steel used in rails should not be less than
(A) 450 MPa
(B) 500 MPa
(C) 700 MPa
(D) 850 MPa

9. On Indian Railways standard length of rails for B.G. track, is
(A) 33 ft (10.06 m)
(B) 36 ft (10.97 m)
(C) 39 ft (11.89 m)
(D) 42 ft (12.8 m)

10. Wing rails are provided
(A) Near tongue rails
(B) Near check rails
(C) Near stock rails
(D) In crossing

11. 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

12. If S and H are strength and hardness index of a timber at 12% moisture content, the composite sleeper index, is
(A) (H + 10S)/20
(B) (S + 10H)/20
(C) (20S + H)/10
(D) (S + 20H)/10

13. If D is the distance between parallel tracks G is the gauge and Î± is angle of crossings, the distance between theoretical noses of two crossings measured parallel to tracks, is
(A) (D - G - G sec Î±) cot Î±
(B) (D - G + G sec Î±) cot Î±
(C) (D - G - G sec Î±) tan Î±
(D) (D + G + G sec Î±) cot Î±

14. Minimum composite sleeper index prescribed on Indian Railways for a track sleeper is
(A) 552
(B) 783
(C) 1352
(D) 1455

15. To achieve best performance, the type of switch preferred to, is
(A) Undercut switch
(B) Straight-cut switch
(C) Overriding switch
(D) Both (a) and (b)

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