Q.1

In India the rails are manufactured by

  • open hearth process
  • duplex process
  • both (a) and (b)
  • neither (a) nor (b)
Q.2

Pot sleepers are in the form of

  • a number of bowls connected together with a tie bar
  • two bowls placed under each rail and connected together with a tie bar
  • two bowls placed under two rails and the one between the rails
  • none of these.
Q.3

Boxing of ballast is done

  • under rails
  • at the rails
  • in between two rails
  • in between two sleepers.
Q.4

Best wood for wooden sleepers is

  • chir
  • deodar
  • sal
  • teak
  • shesham.
Q.5

The first Indian railway was laid in

  • 1775
  • 1804
  • 1825
  • 1853
  • 1876
Q.6

Rail section first designed on Indian railways, was

  • double headed
  • bull headed
  • flat footed
  • (a) and (b) simultaneously
Q.7

Pick up the incorrect statement from the following:

  • Sleepers hold the rails at proper gauge on straights
  • Sleepers provide stability to the permanent way
  • Sleepers act as an elastic cushion between rails and ballast
  • Sleepers transfer load of moving trains to ballast
  • None of the these.
Q.8

For flat bottom sleepers, maximum size of ballast, is

  • 50 mm
  • 40 mm
  • 33 mm
  • 25 mm
  • 20 mm
Q.9

In railways a triangle is mainly provided for

  • diverting trains from the main line to branch line
  • crossing over between parallel tracks
  • changing direction of engines through 180°
  • shunting wagons in yards.
Q.10

Best ballast contains stones varying in size from

  • 1.5 cm to 3 cm
  • 2.0 cm to 4 cm
  • 2.0 cm to 5 cm
  • 2.5 cm to 6 cm
Q.11

For holding a rail in position, no chairs are used for

  • flat footed rails
  • bull headed rails
  • double headed rails
  • both (a) and (b)
Q.12

The rail section which is not used on Indian metre gauge tracks, is

  • 25 R
  • 30 R
  • 35 R
  • 40 R
Q.13

The weight of the rails depends upon

  • gauge of the tracks
  • speed of trains
  • spacing of sleepers
  • nature of traffic
  • all the above.
Q.14

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.
Q.15

To prevent percolation of water into formation, moorum is used as a blanket for

  • black cotton soil
  • sandy soil
  • clayey soil
  • all the above.
Q.16

If α is switch angle and R is radius of the turnout, the length of the tongue rail, is

  • R sin α
  • R tan α
  • R sin α/2
  • R tan α/2
  • R cos α/2
Q.17

Coning of wheels

  • prevent lateral movement of wheels
  • provide smooth running of trains
  • avoid excessive wear of inner faces of rail
  • all the above.
Q.18

A kink is made in stock rails, ahead of the toe of switch at a distance of

  • 10 cm
  • 15 cm
  • 20 cm
  • 30 cm
Q.19

Distance between the inner rail and check rail provided on sharp curve, is

  • 40 mm
  • 42 mm
  • 44 mm
  • 46 mm
  • 50 mm
Q.20

Dimensions of a plate girder, are :

  • 851 mm x 851 mm
  • 255 mm x 254 mm
  • 851 mm x 254 mm
  • 551 mm x 254 mm
Q.21

Pick up the correct statement from the following :

  • Rails are directly laid over hard wooden sleepers and fixed with spikes
  • Adzing is done on hard wooden sleepers
  • Bearing plates are used on soft wooden sleepers
  • Chairs are used for bull headed rails
  • All the above.
Q.22

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.
Q.23

The quantity of stone ballast required per metre tangent length, is

  • 1.15 m3
  • 1.14 m3
  • 1.13 m3
  • 1.12 m3
  • 1.11 m3
Q.24

The sleepers which satisfy the requirements of an ideal sleeper, are

  • cast iron sleepers
  • R.C.C. sleepers
  • steel sleepers
  • wooden sleepers.
Q.25

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.
Q.26

Rail joint supported on a single sleeper, is known

  • suspended rail joint
  • bridge rail joint
  • supported rail joint
  • square rail joint.
Q.27

Pick up the incorrect statement from the following:

  • Fish plates fit the underside of the rail head
  • Fish plates fit the top of the rail foot
  • Fish plates fit the web of the rail section
  • Cross sectional area of fish plates, is normally the same as that of the rail section.
Q.28

The type of switch generally used for B.G. and M.G. tracks, is

  • articulated
  • undercut
  • over riding
  • straight cut.
Q.29

Arrangement made to divert the trains from one track to another, is known as

  • railway point
  • railway crossing
  • turnout
  • railway junction
  • none of these.
Q.30

Rails are bent to correct curvature if the degree of curve, is more than

0 h : 0 m : 1 s