### Railway Bridge And Tunnel Engineering Set 11

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