Practice Test: Question Set - 19
1. Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepers for the railways in
- (A) 1857
- (B) 1867
- (C) 1877
- (D) 1887
2. Switch angle depends on
(i) Heel divergence
(ii) Length of tongue rail
(iii) Flange-way clearance
(iv) Throw of switch
The correct answer is
- (A) (i) and (ii)
- (B) (ii) and (iii)
- (C) (iii) and (iv)
- (D) (i) and (iv)
3. Minimum packing space provided between two sleepers, is between
- (A) 20 to 25 cm
- (B) 25 to 30 cm
- (C) 30 to 35 cm
- (D) 35 to 40 cm
4. Dog spikes are used for fixing rail to the
- (A) Wooden sleepers
- (B) CST-9 sleepers
- (C) Steel trough sleepers
- (D) Concrete sleepers
5. Distance between inner faces of the flanges, is kept
- (A) Equal to the
gauge distance
- (B) Slightly
less than the gauge distance
- (C) Slightly
more than the gauge distance
- (D) None of
these
6. Anti-creep bearing plates are provided on
- (A) Bridges and approaches
- (B) Joints
- (C) Both (A) and (B)
- (D) None of the above
7. A mono-block sleeper has
- (A) Square
section
- (B) Rectangular
section
- (C) Trapezoidal
section
- (D) Semi-circular
section
8. The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called
- (A) Flange-way clearance
- (B) Heel divergence
- (C) Throw of the switch
- (D) None of the above
9. Coal ash (or cinder) is used in initial stages of a new construction of railway for
- (A) Wooden
sleepers
- (B) Steel
sleepers
- (C) Cast
iron sleepers
- (D) None of
these
10. Normally the limiting value of cant is
- (A) G/8
- (B) G/10
- (C) G/12
- (D) G/15
Where ‘G’ is the gauge
11. Width of the top portion of a flat footed, rail, is
- (A) 69.85 mm
- (B) 63.50 mm
- (C) 66.77 mm
- (D) 136.52 mm
12. Rails are bent to correct curvature if the degree of curve, is more than
- (A) 1°
- (B) 2°
- (C) 3°
- (D) 4°
13. Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is
- (A) 20 cm
- (B) 15 cm
- (C) 25 cm
- (D) 30 cm
14. Boxing of ballast is done
- (A) Under rails
- (B) At the rails
- (C) In between
two rails
- (D) In between
two sleepers
15. Maximum wheel base distance provided on Indian B.G. tracks, is
- (A) 4.096 m
- (B) 5.096 m
- (C) 6.096 m
- (D) 7.096 m
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