Civil Railway Engineering Questions and Answers for Competitive Exams - Set 11 - ObjectiveBooks

Civil Railway Engineering Questions and Answers for Competitive Exams - Set 11

Practice Test: Question Set - 11

1. The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be
    (A) 26.41
    (B) 19.81
    (C) 13.21
    (D) 6.61

2. 30 m long rails are used in
    (A) India
    (B) U.K.
    (C) Russia
    (D) U.S.A.

3. Overall depth of a dog spike, is
    (A) 120.6 mm
    (B) 155.90 mm
    (C) 135 mm
    (D) 150 mm

4. To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and
    (A) One key
    (B) Two keys
    (C) Three keys
    (D) Four keys

5. 52 kg rails are mostly used in
    (A) Broad Gauge
    (B) Metre Gauge
    (C) Narrow Gauge
    (D) Both (A) and (B)

6. Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is
    (A) 112 km/hour
    (B) 122 km/hour
    (C) 132 km/hour
    (D) 142 km/hour

7. Widening of gauge is provided if degree of the curve, is
    (A) 3° or less
    (B) 3° to 4½°
    (C) More than 4½°
    (D) None of these

8. The height of the rail for 52 kg rail section is
    (A) 143 mm
    (B) 156 mm
    (C) 172 mm
    (D) 129 mm

9. The life of a wooden sleeper depends upon
    (A) Quality of its timber
    (B) Ability to resist decay
    (C) Resistance to weathering
    (D) All the above

10. Anti-creep anchors are fixed to rails by
    (A) Wedging
    (B) Spring grip
    (C) Clamping
    (D) All the above

11. Sleeper density in India is normally kept as
    (A) (M + 2) to (M + 7)
    (B) M to (M + 2)
    (C) (M + 5) to (M + 10)
    (D) M
Where ‘M’ is the rail length in meters

12. Composite sleeper index determines
    (A) Number of sleepers per rail length
    (B) Suitability of wooden sleepers
    (C) Permissible stresses in steel sleepers
    (D) None of these

13. If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is
    (A) G cot α
    (B) G tan α
    (C) G sin α
    (D) G cos α

14. Loose jaws of steel trough sleepers are made of
    (A) Cast steel
    (B) Mild steel
    (C) Cast iron
    (D) Spring steel

15. Regional Indian railways use different types of sleepers according to their
    (A) Availability
    (B) Economy
    (C) Suitability
    (D) All the above

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