Q.1

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.
Q.2

Total effective bearing area of both the bowls of a pot sleeper, is

  • slightly more than that of a wooden sleeper
  • slightly less than that of a wooden sleeper
  • equal to that of a wooden sleeper
  • none of these.
Q.3

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
Q.4

Pot sleepers are used if degree of the curve does not exceed

  • 4°
  • 5°
  • 6°
  • 7°
  • 8°
Q.5

If D is the distance between the parallel sidings and β is the limiting angle of crossings, the distance between the noses of crossing measured parallel to the main track, is

  • D sin β
  • D cot β
  • D tan β
  • D sec β
Q.6

To avoid the damage of nose of crossing, the wing rails are ramped so that nose of crossing remains at a lower level by

  • 3 mm
  • 4 mm
  • 5 mm
  • 6 mm.
Q.7

Composite sleeper index determines

  • number of sleepers per rail length
  • suitability of wooden sleepers
  • permissible stresses in steel sleepers
  • none of these
Q.8

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
Q.9

The side of a rail diamond may be obtained by dividing the gauge of track by

  • sine of acute crossing
  • consine of acute crossing
  • tangent of acute crossing
  • cotangent of acute crossing.
Q.10

The main advantage of a cement concrete sleeper, is :

  • its heavy weight which improves the track modulus
  • its capacity to maintain gauge
  • its suitability for track circuiting
  • its flat bottom which is very suitable for modern track
  • all the above.
Q.11

Minimum composite sleeper index for wooden sleepers used over bridge girders, is

  • 1455
  • 1355
  • 1255
  • 1155
  • none of these.
Q.12

Packing of ballast is done

  • near the ends of sleepers
  • on the shoulders
  • under sleepers
  • between two rails.
Q.13

If D is the distance between the parallel sidings and α is the angle of crossing, the distance between the noses of crossing measured parallel to the main track, is

  • D tan α
  • D sec α
  • D cosec α
  • D cot α
Q.14

Each block of a two-block concrete sleeper is

  • 722 mm x 295 mm x 271 mm and 215 kg in weight
  • 250 mm x 154 mm x 196 mm and 260 kg in weight
  • 525 mm x 350 mm x 275 mm and 280 kg in weight
  • none of these.
Q.15

Stock rails are

  • parts of crossing
  • fitted against check rails
  • fitted against tongue rails
  • laid between heel of switch and nose of crossing.
Q.16

Burnettising is done for the preservation of

  • wooden sleepers
  • rails
  • ballast
  • none of these.
Q.17

If D is the distance between the parallel sidings and α is the angle of crossing, the distance between the noses of crossing measured parallel to the gathering line, is

  • D tan α
  • D cot α
  • D sin α
  • D cos α
Q.18

Pick up the incorrect statement from the following:

  • Sleepers transfer the load of moving locomotive to the girders of the bridges
  • Sleepers act as a non-elastic medium between the rails and ballast
  • Sleepers hold the rails at 1 in 20 tilt inward
  • Sleepers hold the rails loose on curve.
Q.19

Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than

  • 3°
  • 5°
  • 6°
  • 8°
Q.20

Advantage of automatic signalling, is:

  • increased safety
  • reduction in delays
  • increase in track capacity
  • all the above.
Q.21

Steel sleepers are

  • rectangular is cross section throughout
  • hollow circular pipes
  • 6 mm thick steel sheets with ends bent down
  • 6 mm thick steel sheets with ends bent up.
Q.22

For metal sleepers with rounded edges, maximum size of ballast, is

  • 50 mm
  • 40 mm
  • 30 mm
  • 25 cm
  • 20 mm
Q.23

Smitch diamond is provided if the angle of diamond is less than

  • 2°
  • 4°
  • 6°
  • 8°
Q.24

The distance between theoretical nose of crossing and actual nose of crossing for practical purposes, is

  • Nose thickness x tan α
  • Nose thickness x cot α
  • Nose thickness x sin α
  • Nose thickness x cos α
Q.25

Rail tops of a track are placed

  • horizontal
  • at an inward slope of 1 in 20
  • at an outward slope of 1 in 20
  • at an outward slope of 1 in 30
  • at an inward slope of 1 in 30
Q.26

Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

  • 1.435 m as adopted in England
  • 1.800 m as per Indian conditions
  • 1.676 m as a compromise gauge
  • 1.000 m as a standard gauge
Q.27

In a diamond crossing, number of noses are

  • 2
  • 3
  • 4
  • 6
Q.28

Rails are fixed on steel sleepers

  • by bearing plates
  • by dog spikes
  • by keys in lugs or jaws
  • none of these.
Q.29

On B.G. tracks the distance of outer signal from station limit is kept

  • 510 m
  • 520 m
  • 530 m
  • 540 m
  • 550 m
Q.30

The effective bearing area of all types of sleepers, is

  • 0.40 m2
  • 0.42 m2
  • 0.44 m2
  • 0.46 m2
  • 0.50 m2
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