Previous year Railway Engineering Multiple choice Questions and Answers pdf

91.    In a shunting signal if the red band is inclined at 45° it indicates
a)    stop
b)    proceed
c)    proceed cautiously
d)    none of the above
Ans: b

92.    For the purpose of track maintenance, the number of turn out equivalent to one track km are
a)    1
b)    2
c)    5
d)    10
Ans: d

93.    A train is hauled by 4-8-2 locomotive.
The number of driving wheels in this locomotive is
a)    4
b)    8
c)    12
d)    14
Ans: b

94.    To ensure exact gauge, the gauge tie plates are provided at
a)    toe of the switch
b)    nose of crossing
c)    both (a) and (b)
d)    none of the above
Ans: c

95.    On a single rail track, goods trains loaded with heavy iron material run starting from
A to B and then empty wagons 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 andB
d)    cannot be determined from the given data.
Ans: b
 
96.    For laying the railway track, materials required are
A)    Rails
B)    FishPlates
C)    Fish Bolts
D)    Bearing Plates
The quantities required for one kilometre of Broad Gauge track will be
 Ans: b

97.    Metal sleepers are superior to wooden sleepers with respect to
a)    cost
b)    life
c)    track circuiting
d)    fastening
Ans: b

98.    Which one of the following rail failures is caused by loose fish bolts at expansion joints?
a)    crushed head
b)    angular break
c)    split head
d)    transverse fissures
Ans: a

99. For a 8° curve track diverging from a main curve of 5° in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and 'G' = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)
a)    0.168 cm
b)    -0.168 cm
c)    7.432 cm
d)    7.768 cm
Ans: b

100.    Consider the following statements:
Automatic signalling system results in
1.    greater risk
2.    higher efficiency
3.    avoidance of block instruments
4.    higher operating cost Of these statements
a)    I and 2 are correct
b)    3 and 4 are correct
c)    1 and 4 are correct
d)    2 and 3 are correct
Ans: d

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Next Railway Engineering Multiple choice Questions and Answers pdf

81.    Heel divergence is
a)    always less than flangeway clearance
b)    equal to flangeway clearance
c)    always greater than flangeway clearance
d)    sometimes greater than flangeway clearance
Ans: c

82.    Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
a)    detectors
b)    point lock
c)    iock bar
d)    stretcher bar
Ans: c

83.    The treadle bar is provided
a)    in the middle of the track a little in front of the toes of the tongue rail
b)    near and parallel to inner side of one of the rails
c)    at right angle to the rail
d)    near and parallel to inner side of both the rails
Ans: b

84.    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
Ans: a

85.    Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
a)    triangle
b)    turntable
c)    traverser
d)    scotch block
Ans: c

86.    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
Ans: a

87.    The height of the centre of arm of a semaphore signal above the ground is
a)    5.5m
b)    6.5 m
c)    7.5 m
d)    8.5m
Ans: c

88.    The reception signal is
i)    outer signal
ii)   home signal
iii)  starter
iv)   advanced starter The correct answer is
a)    (i) and (ii)
b)    (ii) and (iii)
c)    (iii) and (iv)
d)    (i)and(iv)
Ans: a

89.    Yellow lighthand signal indicates
a)    stop
b)    proceed
c)    proceed cautiously
d)    none of the above
 Ans: c

90.    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
Ans: a

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Top Most Railway Engineering Objective type Questions and Answers pdf

71.    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
Ans: b

72. Which of the following methods of designation of crossing is mostly used in India ?
a)    centre line method
b)    right angle method
c)    isosceles angle method
d)    none of the above
Ans: b

73. If a is the angle of crossing, then the number of crossings 'N' according to right angle method is given by
a)    Vi cot(cc/2)
b)    cot(oc/2)
c)    cot(a)
d)    Vi cosec(a/2)
Ans: c

74.    Which of the following turnouts is most commonly used for goods train on Indian Railways ?
a)    1 in 8'/2
b)    1 in 12
c)    1 in 16
d)    1 in 20
Ans: a

75.    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
Ans: b

76. Number of switches provided on a Gaunt-letted track is
a)    1
b)    2
c)    3
d)    none of the above
Ans: d

77. The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by
a)    CL = L - SL
b)    L =CL-SL
c)    SL = L + CL
d)    L = (CL+SL)/2
 Ans: b

78.    In a scissors cross-over, the crossings provided are
i)    2 obtuse angle crossings
ii)   4 obtuse angle crossings
iii)  4 acute angle crossings
iv)   6 acute angle crossings The correct answer is
a)    (i) and (iii)
b)    (i)and(iv)
c)    (ii) and (iii)
d)    (ii) and (iv)
Ans: b

79.    The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called
a)    flangeway clearance
b)    heel divergence
c)    throw of the switch
d)    none of the above
Ans: c

80.    Flangeway 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
Ans: a

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Recently asked Railway Engineering Objective type Questions and Answers pdf

31.    Study the following statements regarding creep.
i)    Creep is greater on curves than on tangent railway track,
ii)   Creep in new rails  is more than that in old rails,
iii) Creep is more on steep gradients than on level track. The correct answer is
a)    only (i)
b)    (i)and(ii)
c)    (ii) and (iii)
d)    (i), (ii) and (iii)
Ans: b

32.    The maximum degree of curvature for Meter Gauge is limited to
a)    10°
b)    16°
c)    30°
d)    40°
 Ans: b

33.    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
Ans: a

34.    When the rail ends rest on a joint sleeper, the joint is termed as
a)    supported rail joint
b)    suspended rail joint
c)    bridge joint
d)    base joint
Ans: a

35.    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
Ans: c

36. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is
a)    15 cm
b)    20 cm
c)    25 cm
d)    30cm
Ans: c

37.    Sleeper density in India is normally kept as
a)    M + 2 to M + 7
b)    MtoM+2
c)    M + 5toM+10
d)    M
where M is the rail length in meters.
Ans: a

38.    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
Ans: c

39. Standard size of wooden sleeper for Broad Gauge track is
a)    275x25x13cm
b)    180x20x11.5 cm
c)    225x23x13 cm
d)    250x26x12 cm
 Ans: a

40.     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
Ans: a

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Railway Engineering Objective type Questions and Answers pdf

21.    The slipping of driving wheels of locomotives on the rail surface causes
a)    wheel burns
b)    hogging of rails
c)    scabbing of rails
d)    corrugation of rails
Ans: a

22.    The width of foot for 90 R rail section is
a)    100 mm
b)    122.2 mm
c)    136.5 mm
d)    146.0 mm
Ans: c

23.    The height of the rail for 52 kg rail section is
a)    143 mm ,
b)    156 mm
c)    172 mm '
d)    129mm
Ans: b

24.    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)
Ans: b

25.    The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is
a)    4.27 m
b)    4.88 m
c)    5.49 m
d)    6.10 m
Ans: b

26.    The side slope of embankments for a railway track is generally taken as
a)    1:1
b)    1.5:1
c)    2:1
d)    1:2
Ans: c

27.    The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
a)    6.10 m
b)    8.84 m
c)    10.21m
d)    10.82 m
Ans: c

28.    The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as
a)    10mm
b)    13mm
c)    16mm
d)    19 mm
Ans: d

29.    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
Ans: a

30.    Anti creep bearing plates are provided on
a)    bridges and approaches
b)    joints
c)    both (a) and (b)
d)    none of the above
Ans: d

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