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This set of Railway Bridge and Tunnel Engineering Multiple Choice Questions & Answers (MCQs) focuses on Railway Bridge And Tunnel Engineering Set 6
Q1 | The check rails are placed opposite the crossing so that
- It is symmetrically placed opposite nose of crossing
- Its one-third length is ahead of the nose of crossing
- Its two-third length is ahead of the nose of crossing
- Its three fourth length is ahead of the nose of crossing
Q2 | Consider the following surveys.1. Reconnaissance survey2. Preliminary survey3. Traffic survey4. Location surveyThe correct sequence in which these surveys are conducted before the alignment of a track is finalised is
- 1, 3, 2, 4
- 1, 3, 4, 2
- 3, 1, 4, 2
- 3, 1, 2, 4
Q3 | Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than
- 3°
- 5°
- 6°
- 8°
Q4 | Largest percentage of material in the rail is in its
- Head
- Web
- Foot
- Head and foot both
Q5 | The spread between the point and splice rails at a distance of 4.25 m is 50 cm. The sizeof the crossing is
- 1 in 6
- 1 in 8½
- 1 in 12
- 1 in 16
Q6 | Packing of ballast is done
- Near the ends of sleepers
- On the shoulders
- Under sleepers
- Between two rails
Q7 | The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as
- 10 mm
- 13 mm
- 16 mm
- 19 mm
Q8 | The rail section which is not used on Indian Broad Gauge tracks, is
- 35 R
- 40 R
- 45 R
- 55 R
Q9 | In a diamond crossing, numbers of noses are
- 2
- 3
- 4
- 6
Q10 | Number of cotters used in CST-9 sleepers is
- 2
- 3
- 4
- 5
Q11 | In Indian railways, plate laying is usually done by
- Side method
- Telescopic method
- American method
- All the above
Q12 | Pick up the correct statement from the following:
- The line which connects a number of parallel tracks, and also provides an access to main track, is called a gathering line
- With a diagonal gathering line, the length of the siding decreases with increase of its distance from main track
- To have sidings of same length, a diagonal line is laid at one end and a parallel gathering line at the other end
- All the above
Q13 | A Broad Gauge branch line takes off as a contrary flexure from a main line. If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the super-elevation to be actually provided on the branch line will be
- 10 mm
- 64 mm
- 85 mm
- 65 mm
Q14 | The angle between the gauge faces of the stock rail and tongue rail, is called
- Switch angle
- Angle of crossing
- Angle of turnout
- None of these
Q15 | In permanent way, ballast
- Transfers load from sleepers to the formation
- Provides an elastic bed to the track
- Provides a drainage of track
- All the above
Q16 | Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting?
- Triangle
- Turntable
- Traverser
- Scotch block
Q17 | If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is
- 0.065 m
- 0.055 m
- 0.045 m
- 0.035 m
Q18 | Spacing of sleepers
- Throughout the length of a rail is kept uniform
- Near rail joints, is kept closer
- At the middle of rails, is kept closer
- None of these
Q19 | For a 8° curve track diverging from a main curve of 5° in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and 'G' = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)
- 0.168 cm
- -0.168 cm
- 7.432 cm
- 7.768 cm
Q20 | Distance between the inner rail and check rail provided on sharp curve, is
- 40 mm
- 42 mm
- 44 mm
- 46 mm
Q21 | 30 m long rails are used in
- India
- U.K.
- Russia
- U.S.A.
Q22 | 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
- 26.41
- 19.81
- 13.21
- 6.61
Q23 | Overall depth of a dog spike, is
- 120.6 mm
- 155.90 mm
- 135 mm
- 150 mm
Q24 | To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and
- One key
- Two keys
- Three keys
- Four keys
Q25 | 52 kg rails are mostly used in
- Broad Gauge
- Metre Gauge
- Narrow Gauge
- Both (A) and (B)