Civil Engineering - Railway Engineering Multiple choice Questions and Answers

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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