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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 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
- 1°
- 2°
- 3°
- 4°
Q25 | Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is
- 20 cm
- 15 cm
- 25 cm
- 30 cm