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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
- 6°
- 5°
- 4°
- 3°
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
- 2°
- 4°
- 6°
- 8°
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