Deck 1: Railway Track and Railways Components

Question 1

On a Single Rail Track,goods trains loadedwith heavy load material run starting from 'A' to 'B' and then empty wagon run from 'B' to 'A'.The amount of creep in the rails:

A)Will be more in the direction of B to A
B)Will be more in the direction of A to B
C)Will be maximum at the middle of A and B
D)Cannot be determined from the given data

Answer 1

Will be more in the direction of A to B

Question 2

A triangle is used for

A)Changing the direction of engine
B)Transferring wagons to and from parallel tracks without shunting
C)Separating all the sidings and shunting lines from main lines
D)Preventing the vehicles from running off the track

Answer 2

Changing the direction of engine

Question 3

Heel divergence is

A)Always less than flange-way clearance
B)Equal to flange-way clearance
C)Always greater than flange-way clearance
D)Sometimes greater than flange-way clearance

Answer 3

Always greater than flange-way clearance

Question 4

Stretcher bar is provided

A)To permit lateral movement of the tongue rail
B)To maintain the two tongue rails at the exact distance
C)To ensure exact gauge at the toe of the switch as well as the nose of crossing
D)To prevent any vertical movement between the wing rail and nose of crossing

Question 5

Cant deficiency occurs when a vehicle travels around a curve at

A)Equilibrium speed
B)Speeds higher than equilibrium speed
C)Speeds lower than equilibrium speed
D)Booked speed

Question 6

The type of spike used for fixing chairs of bull headed rails to wooden sleepers is

A)Dog spike
B)Rail screw
C)Elastic spike
D)Round spike

Question 7

Flat mild steel bearing plates are used

A)For points and crossings in the lead portion
B)With wooden sleepers at locations where creep is likely to be developed
C)On all joints and curves
D)On all the above

Question 8

Composite sleeper index is the index of

A)Hardness and strength
B)Strength and toughness
C)Toughness and wear resistance
D)Wear resistance and hardness

Question 9

Staggered joints are generally provided

A)On curves
B)On straight track
C)When two different rail sections are required to be joined
D)None of the above

Question 10

Creep is the

A)Longitudinal movement of rail
B)Lateral movement of rail
C)Vertical movement of rail
D)Difference in level of two rails

Question 11

Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called

A)Roaring rails
B)Hogged rails
C)Corrugated rails
D)Buckled rails

Question 12

The main function of a fish plate is

A)To join the two rails together
B)To join rails with the sleeper
C)To allow rail to expand and contract freely
D)None of the above

Question 13

The purpose of providing fillet in a rail section is to

A)Increase the lateral strength
B)Increase the vertical stiffness
C)Avoid the stress concentration
D)Reduce the wear

Question 14

Two important constituents in the composition of steel used for rail are

A)Carbon and silicon
B)Manganese and phosphorous
C)Carbon and manganese
D)Carbon and sulphur

Question 15

Flange-way clearance is the distance

A)Between the adjoining faces of the running rail and the check rail near the crossing
B)Between the gauge faces of the stock rail and the tongue rail
C)Through which the tongue rail moves laterally at the toe of the switch
D)None of the above

Question 16

Which of the following types of sleepers is preferred on joints?

A)CST-9 sleeper
B)Steel trough sleeper
C)Wooden sleeper
D)Concrete sleeper

Question 17

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

A)Slightly more than that of a wooden sleeper
B)Slightly less than that of a wooden sleeper
C)Equal to that of a wooden sleeper
D)None of these

Question 18

Pick up the incorrect statement from the following:

A)Sleepers hold the rails at proper gauge on straights
B)Sleepers provide stability to the permanent way
C)Sleepers act as an elastic cushion between rails and ballast
D)None of these

Question 19

On Indian Railways, number of a crossing is defined as

A)Sine of angle of crossing
B)Cosine of angle of crossing
C)Tangent of angle of crossing
D)Contingent of angle of crossing

Question 20

Pandrol clips cannot be used with

A)Wooden sleepers
B)Concrete sleepers
C)CST-9 sleepers
D)Steel trough sleepers

Question 21

For providing the required tilt of rails, adazing of wooden sleepers, is done for

A)Bull headed rails
B)Double headed rails
C)Flat footed rails
D)Any type of rails

Question 22

If n is length of a rail in metres, the number of sleepers per rail length generally varies from

A)n to (n + 2)
B)(n + 2) to (n + 4)
C)(n + 3) to (n + 6)
D)(n + 4) to (n + 5)

Question 23

Normally maximum cant permissible in Meter Gauge is

A)75 mm
B)90 mm
C)140 mm
D)165 mm

Question 24

Type of switch rails generally adopted for modern track, is

A)Straight switch
B)Curved switch
C)Loose heel switch
D)Bent switch

Question 25

Pick up the correct statement from the following:

A)An extra width of 7.5 cm ballast is provided on outside a curve if track is laid with shortwelded rails
B)An extra width of 7.5 cm ballast is provided on outside a curve sharper than 3° on B.G. and M.G. tracks
C)An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails
D)All the above

Question 26

Lead of crossing is the distance from the

A)Heel of the switch to the toe of the switch
B)Heel of the switch to the theoretical nose of the crossing
C)Toe of the switch to the theoretical nose of crossing
D)Toe of the switch to the actual nose of crossing

Question 27

The place where a railway line and a road cross each other at the same level, is known as

A)Cross over
B)Railway junction
C)Road junction
D)Level crossing

Question 28

If the stock rails are B.H. rails, the type of switch generally provided, is

A)Articulated
B)Undercut
C)Over riding
D)Straight cut

Question 29

The object of providing a point lock is

A)To ensure that each switch is correctly set
B)To ensure that the point may not be operated while the train is on it
C)To detect any obstruction between and tongue rail
D)None of the above

Question 30

Minimum composite sleeper index for wooden sleepers used in cross-overs, is

A)1152
B)1252
C)1352
D)1452

Question 31

The rails get out of their original positions due to insufficient expansion gap. This phenomenon is known

A)Hogging
B)Buckling
C)Creeping
D)None of these

Question 32

When semaphore and warner are installed on the same post, then the stop indication is given when

A)Both arms are horizontal
B)Semaphore arm lowered but warner arm horizontal
C)Both semaphore and warner arms lowered
D)None of the above

Question 33

The standard dimensions of a wooden sleeper for M.G. railway track are

A)2.74 m × 25 cm × 13 cm
B)1.83 m × 20 cm × 11 cm
C)1.52 m × 15 cm × 10 cm
D)1.75 m × 20 cm × 12 cm

Question 34

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

A)3 mm
B)4 mm
C)5 mm
D)6 mm

Question 35

Wear of rails is maximum in weight of

A)Tangent track
B)Sharp curve
C)Tunnels
D)Coastal area

Question 36

Degree of a railway curve is defined as number of degrees subtended at the centre of a curve by

A)10 m
B)15 m
C)20 m
D)30.5 m

Question 37

For even distribution of load through ballast, load dispersal is assumed as

A)30° to the vertical
B)45° to the vertical
C)60° to the vertical
D)None of these

Question 38

For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gauge railway track of length 650 m is

A)975
B)918
C)900
D)880

Question 39

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

A)1.435 m as adopted in England
B)1.800 m as per Indian conditions
C)1.676 m as a compromise gauge
D)1.000 m as a standard gauge

Question 40

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

A)Nose thickness x tan ?
B)Nose thickness x cot ?
C)Nose thickness x sin ?
D)Nose thickness x cos ?

Question 41

The rail is designated by its

A)Length
B)Weight
C)Cross-section
D)Weight per unit length

Question 42

Best ballast contains stones varying in size from

A)1.5 cm to 3 cm
B)2.0 cm to 4 cm
C)2.0 cm to 5 cm
D)2.5 cm to 6 cm

Question 43

A turn-in-curve is defined as

A)A curve introduced between two straights
B)A reverse curve
C)A reverse curve introduced in continuity of a turn out
D)A spiral transition curve

Question 44

Ordinary rails are made of

A)Mild steel
B)Cast iron
C)Wrought iron
D)High carbon steel

Question 45

In India the rails are manufactured by

A)Open hearth process
B)Duplex process
C)Both (a) and (b)
D)Neither (a) nor (b)

Question 46

Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided

A)To the tops of rails
B)At rail seats in bearing plates
C)At rail seats in chairs
D)At rail seats in metal sleepers

Question 47

The formation width for a railway track depends on the
(i. Type of gauge
(ii. Number of tracks to be laid side by side
(iii) Slope of sides of embankment or cutting
The correct answer is

A)Only (i)
B)Both (i) and (ii)
C)Both (i) and (iii)
D)(i), (ii) and (iii)

Question 48

If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is

A)10 chains
B)12 chains
C)14 chains
D)16 chains

Question 49

Main disadvantage of steel sleepers, is:

A)It gets rusted quickly
B)Its lugs sometimes get broken
C)Its lugs sometimes get split
D)All the above

Question 50

For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is

A)18
B)19
C)20
D)21