Frequently Asked Railway Engineering Multiple choice Questions and Answers pdf

51.    Number of keys used in CST-9 sleeper is
a)    2
b)    3
c)    4
d)    none of the above
Ans: a

52.    Loose jaws of steel trough sleepers are made of
a)    cast steel
b)    mild steel
c)    cast iron
d)    spring steel
Ans: d

53.    Number of cotters used in CST-9 sleepers is
a)    2
b)    3
c)    4
d)    5
Ans: c

54.    Pandrol clips cannot be used with
a)    wooden sleepers
b)    concrete sleepers
c)    CST-9 sleepers
d)    steel trough sleepers
Ans: c

55.    The  desirable  rate  of change  of cant deficiency in case of Meter Gauge is
a)    20 mm/sec
b)    35 mm/sec
c)    55 mm/sec
d)    65 mm/sec
Ans: b

56.    The limiting value of cant excess for Broad Gauge is
a)    55 mm
b)    65 mm
c)    75 mm
d)    l00 mm
Ans: c

57.    The limiting value of cant gradient for all gauges is
a)    1 in 360
b)    1 in 720
c)    1 in 1000
d)    1 in 1200
Ans: b

58.    Normally the limiting value of cant is
a)    G/8
b)    G/10
c)    G/12
d)    G/15
where G is the gauge.
Ans: b

59.    Vertical curves are provided where algebraic difference between grades is equal to or
a)    less than 2 mm/m
b)    more than 2 mm/m
c)    less than 4 mm/m
d)    more than 4mm/m
Ans: d

60.    The limiting value of cant deficiency for Meter Gauge routes is
a)    40 mm
b)    50mm
c)    75mm
d)    100mm
Ans: b

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Tricky Railway Engineering Mutiple choice Questions and Answers

41. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is
a)    552
b)    783
c)    1352
d)    1455
Ans: b

42.    Dog spikes are used for fixing rail to the
a)    wooden sleepers
b)    CST-9 sleepers
c)    steel trough sleepers
d)    concrete sleepers
Ans: a

43.    Number of dog spikes normally used per rail seat on curved track is
a)    one on either side
b)    two outside and one inside
c)    one outside and two inside
d)    two outside and two inside
Ans: b

44.    The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
a)    flat mild steel bearing plate
b)    mild steel canted bearing plate
c)    cast iron anti creep bearing plate
d)    none of the above
Ans: b

45.    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
Ans: a

46.    The nominal size of ballast used for points and crossings is
a)    25 mm
b)    40 mm
c)    50 mm
d)    10mm
Ans: a

47.    At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is
a)    51
b)    62
c)    70
d)    78
Ans: c

48.    Width of ballast section for Broad Gauge is
a)    1.83 m
b)    2.25 m
c)    3.35 m
d)    4.30 m
Ans: c

49.    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
Ans: d

50.    The sleepers resting directly on girder are fastened to the top flange of girder by
a)    hook bolts
b)    dog spikes
c)    fang bolts
d)    rail screws
Ans: a

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