Railway Engineering Practice Questions - Set 03 - ObjectiveBooks

Railway Engineering Practice Questions - Set 03

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)

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