Railway Engineering Multiple Choice Questions and Answers preparation for gate exams - Civil Engineering Questions and Answers

1.      The rail is designated by its
2.      Two important constituents in the com-position of steel used for rail are
3.      The standard length of rail for Broad Gauge and Metre Gauge are respectively
4.      The following tests are conducted  for rails:
5.      Largest dimension of a rail is its
6.      Largest percentage of material in the rail is in its
7.      The purpose of providing fillet in a rail section is to
8.      The cross-sectional area of 52 kg flat footed rail is
9.      52 kg rails are mostly used in
10.    Tensile strength of steel used  in rails should not be less than
11.    Head width of 52 kg rail section is
12.     60 R rails are mostly used in
13.    Ordinary rails are made of
14.    The main function of a fish plate is
15.    Number offish bolts per fish plate is
16.    Fish plate is in contact with rail at
17.    Gauge is the distance between
18.    Which of the following factors govern the choice of the gauge ?
19.    For developing thinly populated areas, the correct choice of gauge is
20.     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
21.    The slipping of driving wheels of locomotives on the rail surface causes
22.    The width of foot for 90 R rail section is
23.    The height of the rail for 52 kg rail section is
24.    The formation width for a railway track depends on the
25.    The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is
26.    The side slope of embankments for a railway track is generally taken as
27.    The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
28.    The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as
29.    Creep is the
30.    Anticreep bearing plates are provided on
31.    Study the following statements regarding creep.
32.    The maximum degree of curvature for Meter Gauge is limited to
33.    Staggered joints are generally provided
34.    When the rail ends rest on a joint sleeper, the joint is termed as
35.    Which of the following types of sleepers is preferred on joints ?
36.     Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is
37.    Sleeper density in India is normally kept as
38.    For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is
39.     Standard size of wooden sleeper for Broad Gauge track is
40.     Composite sleeper index is the index of
41.     Minimum composite sleeper index pres-cribed on Indian Railways for a track sleeper is
42.    Dog spikes are used for fixing rail to the
43.    Number of dog spikes normally used per rail seat on curved track is
44.    The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
45.    Flat mild steel bearing plates are used
46.    The nominal size of ballast used for points and crossings is
47.    At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is
48.    Width of ballast section for Broad Gauge is
49.    The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
50.    The sleepers resting directly on girder are fastened to the top flange of girder by
51.    Number of keys used in CST-9 sleeper is
52.    Loose jaws of steel trough sleepers are made of
53.    Number of cotters used in CST-9 sleepers is
54.    Pandrol clips cannot be used with
55.    The  desirable  rate  of change  of cant deficiency in case of Metre Gauge is
56.    The limiting value of cant excess for Broad Gauge is
57.    The limiting value of cant gradient for all gauges is
58.    Normally the limiting value of cant is
59.    Vertical curves are provided where algebraic difference between grades is equal to or
60.    The limiting value of cant deficiency for Metre Gauge routes is
61.    The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is
62.    Normally maximum cant permissible in Metre Gauge is
63.     Cant deficiency occurs when a vehicle travels around a curve at
64.    The compensation for curvature on gradient for Metre Gauge is given by
65.    The shape of transition curve used by Indian Railways is
67.    A Broad Gauge branch line takes off as a contrary flexure from a main line If the superelevation required for branch line is 10 mm and cant deficiency is 75 mm, the superelevation to be actually provided on the branch line will be
68.    One degree of curve is equivalent to
69.    Switch angle is the angle between
70.    Switch angle depends on
71.     Maximum value of 'throw of switch' for Broad Gauge track is
72.     Stretcher bar is provided
73.     Which of the following methods of designation of crossing is mostly used in India ?
74.     If a is the angle of crossing, then the number of crossings 'N' according to right angle method is given by
75.    Which of the following turnouts is most commonly used for goods train on Indian Railways ?
76.    Lead of crossing is the distance from the
77.     Number of switches provided on a Gaunt-letted track is
78.     The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by
79.    In a scissors cross-over, the crossings provided are
80.    The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called
81.    Flangeway clearance is the distance
82.     Heel divergence is
83.    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 ?
84.    The treadle bar is provided
85.    The object of providing a point lock is
86.    Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
87.    A triangle is used for
88.    The height of the centre of arm of a semaphore signal above the ground is
89.    The reception signal is
90.    Yellow lighthand signal indicates
91.    When semaphore and warner are installed on the same post, then the stop indication is given when
92.    In a shunting signal if the red band is inclined at 45° it indicates
93.    For the purpose of track maintenance, the number of turn out equivalent to one track km are
94.    A train is hauled by 4-8-2 locomotive.
        The number of driving wheels in this locomotive is
95.    To ensure exact gauge, the gauge tie plates are provided at
96.    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.
97.     For laying the railway track, materials required are
98.     Which of the following statements regarding ballast materials are correct?
99.    Metal sleepers are superior to wooden sleepers with respect to
100.    Which one of the following rail failures is caused by loose fish bolts at expansion joints?
101.    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)
102.    Consider the following statements:
        Automatic signalling system results in
103.    Wear of rails is maximum in weisht   of
104.    A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?
105.    A treadle bar is used for
106.    Consider the following statements about concrete sleepers.
107.    What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?
108.    Consider the following surveys.
109.    The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be
110.    In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1in 250 will have the permissible gradient of

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