Practice Test: Question Set - 03
1. The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known
- (A) Hogging
- (B) Buckling
- (C) Creeping
- (D) None of
these
2. When semaphore and warner are installed on the same post, then the stop indication is given when
- (A) Both arms are horizontal
- (B) Semaphore arm lowered but warner arm horizontal
- (C) Both semaphore and warner arms lowered
- (D) None of the above
3. The standard dimensions of a wooden sleeper for M.G. railway track are
- (A) 2.74 m × 25
cm × 13 cm
- (B) 1.83 m × 20
cm × 11 cm
- (C) 1.52 m × 15
cm × 10 cm
- (D) 1.75 m × 20
cm × 12 cm
4. To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by
- (A) 3 mm
- (B) 4 mm
- (C) 5 mm
- (D) 6 mm
5. Wear of rails is maximum in weight of
- (A) Tangent track
- (B) Sharp curve
- (C) Tunnels
- (D) Coastal area
6. Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by an arc of
- (A) 10 m
- (B) 15 m
- (C) 20 m
- (D) 30.5 m
7. For even distribution of load through ballast, load dispersal is assumed as
- (A) 30° to the
vertical
- (B) 45° to the
vertical
- (C) 60° to the
vertical
- (D) None of
these
8. For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is
- (A) 975
- (B) 918
- (C) 900
- (D) 880
9. Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways
- (A) 1.435 m as
adopted in England
- (B) 1.800 m as
per Indian conditions
- (C) 1.676 m as a
compromise gauge
- (D) 1.000 m as a
standard gauge
10. The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is
- (A) Nose
thickness × tan α
- (B) Nose
thickness × cot α
- (C) Nose
thickness × sin α
- (D) Nose
thickness × cos α
11. The rail is designated by its
- (A) Length
- (B) Weight
- (C) Cross-section
- (D) Weight per unit length
12. Best ballast contains stones varying in size from
- (A) 1.5 cm to 3
cm
- (B) 2.0 cm to 4
cm
- (C) 2.0 cm to 5
cm
- (D) 2.5 cm to 6
cm
13. A turn-in-curve is defined as
- (A) A curve
introduced between two straights
- (B) A reverse
curve
- (C) A reverse
curve introduced in continuity of a turn out
- (D) A spiral
transition curve
14. Ordinary rails are made of
- (A) Mild steel
- (B) Cast iron
- (C) Wrought iron
- (D) High carbon steel
15. In India the rails are manufactured by
- (A) Open hearth
process
- (B) Duplex
process
- (C) Both (a)
and (b)
- (D) Neither (a)
nor (b)
Next Tests: