Railway Bridge And Tunnel Engineering Set 7

On This Page

This set of Railway Bridge and Tunnel Engineering Multiple Choice Questions & Answers (MCQs) focuses on Railway Bridge And Tunnel Engineering Set 7

Q1 | Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is
  • 112 km/hour
  • 122 km/hour
  • 132 km/hour
  • 142 km/hour
Q2 | Widening of gauge is provided if degree of the curve, is
  • 3° or less
  • 3° to 4½°
  • More than 4½°
  • None of these
Q3 | The height of the rail for 52 kg rail section is
  • 143 mm
  • 156 mm
  • 172 mm
  • 129 mm
Q4 | The life of a wooden sleeper depends upon
  • Quality of its timber
  • Ability to resist decay
  • Resistance to weathering
  • All the above
Q5 | Anti-creep anchors are fixed to rails by
  • Wedging
  • Spring grip
  • Clamping
  • All the above
Q6 | Sleeper density in India is normally kept as
  • (M + 2) to (M + 7)
  • M to (M + 2)
  • (M + 5) to (M + 10)
  • MM
Q7 | Composite sleeper index determines
  • Number of sleepers per rail length
  • Suitability of wooden sleepers
  • Permissible stresses in steel sleepers
  • None of these
Q8 | If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is
Q9 | Loose jaws of steel trough sleepers are made of
  • Cast steel
  • Mild steel
  • Cast iron
  • Spring steel
Q10 | Regional Indian railways use different types of sleepers according to their
  • Availability
  • Economy
  • Suitability
  • All the above
Q11 | In Indian railways, the ratio of axle load and weight of rail, is
  • 312
  • 412
  • 512
  • 600
Q12 | Maximum value of 'throw of switch' for Broad Gauge track is
  • 89 mm
  • 95 mm
  • 100 mm
  • 115 mm
Q13 | Top surface of steel sleepers, is
  • Kept level throughout
  • Provided a cant of 1 in 20 inward
  • Provided a cant of 1 in 20 outward
  • None of these
Q14 | If D distance between the noses of crossing measured parallel to the main track, is
  • D
  • D
  • D
  • D
Q15 | Metal sleepers are superior to wooden sleepers with respect to
  • Cost
  • Life
  • Track circuiting
  • Fastening
Q16 | Charles Blacker Vignoles invented the flat footed rails in
  • 1814
  • 1836
  • 1846
  • 1856
Q17 | A triangle of railway consists of
  • Three turn outs
  • One turn out and two diamonds
  • Two turn outs and one split
  • One turn out, one split and one diamond
Q18 | A treadle bar is used for
  • Interlocking points and signal
  • Setting points and crossings
  • Setting marshalling yard signals
  • Track maintenance
Q19 | If L is length of a rail and R is the radius of a curve, the versine h for the curve, is
  • a = L/4R
  • a = L²/4R
  • h = L²/8R
  • h = L²/16R
Q20 | For metal sleepers with rounded edges, maximum size of ballast, is
  • 50 mm
  • 40 mm
  • 30 mm
  • 25 cm
Q21 | Head width of 52 kg rail section is
  • 61.9 mm
  • 66.7 mm
  • 67 mm
  • 72.33 mm
Q22 | Rail joint supported on a single sleeper, is known
  • Suspended rail joint
  • Bridge rail joint
  • Supported rail joint
  • Square rail joint
Q23 | Each block of a two-block concrete sleeper is
  • 722 mm × 295 mm × 271 mm and 215 kg in weight
  • 250 mm × 154 mm × 196 mm and 260 kg in weight
  • 525 mm × 350 mm × 275 mm and 280 kg in weight
  • None of these
Q24 | The formation width for a double line Broad Gauge track in cutting (excluding drains) asadopted on Indian Railways is
  • 6.10 m
  • 8.84 m
  • 10.21 m
  • 10.82 m
Q25 | Arrangement made to divert the trains from one track to another, is known as
  • Railway point
  • Railway crossing
  • Turnout
  • Railway junction