Railway Engineering Set 8

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This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on Railway Engineering Set 8

Q1 | An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is
Q2 | Standard size of wooden sleeper for Broad Gauge track is
  • 275 × 25 × 13 cm
  • 180 × 20 × 11.5 cm
  • 225 × 23 × 13 cm
  • 250 × 26 × 12 cm
Q3 | By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by
  • 1.2 mm
  • 2.2 mm
  • 3.2 mm
  • 4.2 mm
Q4 | The main function of sleepers, is
  • to support rails
  • to hold rails at correct gauge
  • to distribute load from the rails to ballast
  • all the above
Q5 | The limiting value of cant gradient for all gauges is
  • 1 in 360
  • 1 in 720
  • 1 in 1000
  • 1 in 1200
Q6 | The spike commonly used to fix rails to wooden sleepers in Indian railways, is
  • dog spike
  • screw spike
  • round spike
  • all the above
Q7 | Track construction involves preparation of
  • sub-grade
  • plate laying
  • ballasting
  • all the above
Q8 | According to Indian Railway Board, no diamond crossing should be flatter than
  • 1 in 6
  • 1 in 8½
  • 1 in 12
  • 1 in 16
Q9 | Smith diamond is provided if the angle of diamond is less than
Q10 | 60 R rails are mostly used in
  • broad gauge
  • metre gauge
  • narrow gauge
  • none of the above
Q11 | A welded rail joint is generally
  • supported on a sleeper
  • supported on a metal plate
  • suspended
  • none of these
Q12 | If the standard length of a crossing is 480 cm, the number of crossing is
  • 1 in 8½ of b.g.
  • 1 in 8½ of m.g.
  • both (a) and (b)
  • none of these
Q13 | Width of ballast section for Broad Gauge is
  • 1.83 m
  • 2.25 m
  • 3.35 m
  • 4.30 m
Q14 | Minimum length of a transition curve required for
  • 2° curves for a maximum permissible speed of 135 km/hr, is 220 metres
  • 4° curves for a maximum permissible speed of 95 km/hr, is 220 metres
  • 6° curves for a maximum permissible speed of 80 km/hr, is 220 metres
  • all the above
Q15 | For points and crossings, maximum size of ballast, is
  • 50 mm
  • 40 mm
  • 30 mm
  • 25 mm
Q16 | Which of the following methods of designation of crossing is mostly used in India?
  • center line method
  • right angle method
  • isosceles angle method
  • none of the above
Q17 | For calculating the length of curve lead (C.L.), the correct formula is
  • c.l. = g. /2
  • c.l. = ig)
  • c.l. = 2 gn
  • all the above
Q18 | In a railway track, permissible gauge with tolerance under loaded condition, is
  • g + 0.1 mm
  • g + 1.5 mm
  • g - 1.0 mm
  • g - 1.5 mm
Q19 | Yellow light-hand signal indicates
  • stop
  • proceed
  • proceed cautiously
  • none of the above
Q20 | The first Indian railway was laid in
  • 1775
  • 1804
  • 1825
  • 1853
Q21 | Sand may be used as ballast for
  • wooden sleepers
  • steel sleepers
  • cast iron sleepers
  • all the above
Q22 | What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
  • 28.49 m
  • 21.04 m
  • 14.24 m
  • 7.45 m
Q23 | A scissors cross-over consists of
  • two pairs of points, four acute angle crossings and two obtuse angle crossings
  • four pairs of points, four acute angle crossings and four obtuse angle crossings
  • four pairs of points, six acute angle crossings and two obtuse angle crossings
  • two pairs of points, six acute angle crossings and four obtuse angle crossings
Q24 | The effective bearing area of all types of sleepers, is
  • 0.40 m2
  • 0.42 m2
  • 0.44 m2
  • 0.46 m2
Q25 | The cross-sectional area of 52 kg flat footed rail is
  • 6155 mm²
  • 6615 mm²
  • 7235 mm²
  • 7825 mm²