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
- (D) A rad
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 α is angle of crossings, the distance between theoretical noses of two crossings measured parallel to tracks, is
- (A) (D - G - G sec α) cot α
- (B) (D - G + G sec α) cot α
- (C) (D - G - G sec α) tan α
- (D) (D + G + G sec α) cot α
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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