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
(iv) Advanced starter
The correct answer is
- (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?
- (A) Crushed head
- (B) Angular break
- (C) Split head
- (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
- (B) Bull headed
rails
- (C) Double
headed rails
- (D) Both (a)
and (b)
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