Railway Engineering Objective Practice - Set 16 - ObjectiveBooks

# Practice Test: Question Set - 16

1. Steel sleepers are
(A) Rectangular is cross section throughout
(B) Hollow circular pipes
(C) 6 mm thick steel sheets with ends bent down
(D) 6 mm thick steel sheets with ends bent up

2. Number of dog spikes normally used per rail seat on curved track is
(A) One on either side
(B) Two outside and one inside
(C) One outside and two inside
(D) Two outside and two inside

3. If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25 cm × 13 cm), is
(A) 15 cm
(B) 20 cm
(C) 25 cm
(D) 30 cm

4. Minimum composite sleeper index for wooden sleepers used over bridge girders, is
(A) 1455
(B) 1355
(C) 1255
(D) 1155

5. The shape of transition curve used by Indian Railways is
(A) Cubic parabola
(B) Spiral
(C) Sine curve
(D) Lemniscates of Bernoulli

6. Gauge of a permanent way, is
(A) Minimum distance between running faces of rails
(B) Minimum distance between outer faces of rails
(C) Distance between centres of rails
(D) Width of formation

7. If w is width of sleepers, s is sleeper spacing and d is depth of ballast then
(A) d = (s - w)/2
(B) d = (s - w)/3
(C) d = (s - w)/4
(D) d = (s - w)/5

8. The reception signal is
(i) Outer signal
(ii) Home signal
(iii) Starter
(A) (i) and (ii)
(B) (ii) and (iii)
(C) (iii) and (iv)
(D) (i) and (iv)

9. The standard width of ballast for B.G. Track in Indian Railways, is kept
(A) 3.35 m
(B) 3.53 m
(C) 2.35 m
(D) 2.53 m

10. In India, metre gauge permanent way was adopted in
(A) 1855
(B) 1860
(C) 1866
(D) 1871

11. Which one of the following rail failures is caused by loose fish bolts at expansion joints?
(B) Angular break
(D) Transverse fissures

12. Best wood for wooden sleepers is
(A) Chir
(B) Deodar
(C) Sal
(D) Teak

13. Bull headed rails are generally provided on
(A) Points and crossing
(B) Straight tangents
(C) Curved tracks
(D) Metre gauge tracks

14. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
(A) Flat mild steel bearing plate
(B) Mild steel canted bearing plate
(C) Cast iron anti-creep bearing plate
(D) None of the above

15. For holding a rail in position, no chairs are used for
(A) Flat footed rails