Railway Bridge And Tunnel Engineering Set 11

On This Page

This set of Railway Bridge and Tunnel Engineering Multiple Choice Questions & Answers (MCQs) focuses on Railway Bridge And Tunnel Engineering Set 11

Q1 | A wing rail is renewed or reconditioned if its maximum vertical wear is
  • 9.5 m
  • 7.5 m
  • 5.5 m
  • 5.0 m
Q2 | The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is
  • 1 in 250
  • 1 in 222
  • 1 in 235
  • 1 in 275
Q3 | The tread of wheels is provided an outward slope of
  • 1 in 10
  • 1 in 15
  • 1 in 20
  • 1 in 25
Q4 | When the rail ends rest on a joint sleeper, the joint is termed as
  • Supported rail joint
  • Suspended rail joint
  • Bridge joint
  • Base joint
Q5 | To prevent percolation of water into formation, moorum is used as a blanket for
  • Black cotton soil
  • Sandy soil
  • Clayey soil
  • All the above
Q6 | Number of fish bolts per fish plate is
  • 2
  • 4
  • 5
  • 6
Q7 | For flat bottom sleepers, maximum size of ballast, is
  • 50 mm
  • 40 mm
  • 33 mm
  • 25 mm
Q8 | Which of the following turnouts is most commonly used for goods train on IndianRailways?
  • 1 in 8'/2
  • 1 in 12
  • 1 in 16
  • 1 in 20
Q9 | On Indian Railways standard length of rails for M.G. track, is
  • 33 ft (10.06 m)
  • 36 ft (10.97 m)
  • 39 ft (11.89 m)
  • 42 ft (12.8 m)
Q10 | The nominal size of ballast used for points and crossings is
  • 25 mm
  • 40 mm
  • 50 mm
  • 10 mm
Q11 | The overall length of a turn out is the distance between the end of stock rail and
  • Heel of crossing
  • Actual nose of crossing
  • Throat of crossing
  • Toe of crossing
Q12 | The width of foot for 90 R rail section is
  • 100 mm
  • 122.2 mm
  • 136.5 mm
  • 146.0 mm
Q13 | Monnier, the inventor of R.C.C., suggested the introduction of reinforced cement concert sleepers for the railways in
  • 1857
  • 1867
  • 1877
  • 1887
Q14 | Switch angle depends on(i) Heel divergence(ii) Length of tongue rail(iii) Flange-way clearance(iv) Throw of switchThe correct answer is
  • (i) and (ii)
  • (ii) and (iii)
  • (iii) and (iv)
  • (i) and (iv)
Q15 | Minimum packing space provided between two sleepers, is between
  • 20 to 25 cm
  • 25 to 30 cm
  • 30 to 35 cm
  • 35 to 40 cm
Q16 | Dog spikes are used for fixing rail to the
  • Wooden sleepers
  • CST-9 sleepers
  • Steel trough sleepers
  • Concrete sleepers
Q17 | Distance between inner faces of the flanges, is kept
  • Equal to the gauge distance
  • Slightly less than the gauge distance
  • Slightly more than the gauge distance
  • None of these
Q18 | Anti-creep bearing plates are provided on
  • Bridges and approaches
  • Joints
  • Both (A) and (B)
  • None of the above
Q19 | A mono-block sleeper has
  • Square section
  • Rectangular section
  • Trapezoidal section
  • Semi-circular section
Q20 | The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called
  • Flange-way clearance
  • Heel divergence
  • Throw of the switch
  • None of the above
Q21 | Coal ash (or cinder) is used in initial stages of a new construction of railway for
  • Wooden sleepers
  • Steel sleepers
  • Cast iron sleepers
  • None of these
Q22 | Normally the limiting value of cant is
  • G/8
  • G/10
  • G/12
  • G/15
Q23 | Width of the top portion of a flat footed, rail, is
  • 69.85 mm
  • 63.50 mm
  • 66.77 mm
  • 136.52 mm
Q24 | Rails are bent to correct curvature if the degree of curve, is more than
Q25 | Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is
  • 20 cm
  • 15 cm
  • 25 cm
  • 30 cm