RRB Practice Test: Question Set - 06
1. What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
- (A) 28.49 m
- (B) 21.04 m
- (C) 14.24 m
- (D) 7.45 m
2. The bottom width of foot in a flat footed rail is:
- (A) 78.6 mm
- (B) 136.5 mm
- (C) 66.7 mm
- (D) 70 mm
3. The sinuous path taken by an engine as against the alignment of the track is known as:
- (A) Rolling motion
- (B) Nosing motion
- (C) Lurching motion
- (D) Vibration
4. In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of
- (A) 1 in 257
- (B) 1 in 357
- (C) 1 in 457
- (D) 1 in 512
5. The depth of ballast section under sleeper for broad gauge track as per Indian standard should be:
- (A) 250 to 300 mm
- (B) 200 to 250 mm
- (C) 150 to 200 mm
- (D) 150 mm
6. Loose jaws of steel trough sleepers are made of
- (A) Cast steel
- (B) Mild steel
- (C) Cast iron
- (D) Spring steel
7. The chart used for recording the condition of track is known as:
- (A) Rolling chart
- (B) Track chart
- (C) Hallade chart
- (D) Vibro chart
8. As per Indian standard, the recommended width of ballast section at foot level of rails for broad gauge tracks should be:
- (A) 4.38 m
- (B) 3.35 m
- (C) 1.83 m
- (D) 2.25 m
9. The Railways provided underground at a depth of about 18 m or more are called:
- (A) Mono railway
- (B) Underground railway
- (C) Railway
- (D) Tube railway
10. The creep in rails is measured in:
- (A) cm/kg
- (B) cm
- (C) Kg/cm
- (D) kg. cm
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