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Railway Engineering
Railway Engineering Objective
Quiz 1
Solution
Q.1.
What is the distance from the tangent point to the heel of switch is called?
a) Switch lead
b) Curve lead
c) Crossing lead
d) Addition of curve lead and switch lead
Q.2.
Which of the following is correct about heel divergence?
a) It is equal to lead of crossing
b) It is the distance between main line and turnout
c) It is the distance from tangent point to theoretical nose
d) It is the addition of curve and switch lead
Q.3.
Which is the correct formula for calculation of Radius of Turnout?
a) R = 2R1 + G
b) R = R1 + G
c) R = R1 + 0.5G
d) R = 3R1 + 2 G
Q.4.
Which type of chairs are used to provide a ramp to tongue rails?
a) Grade off chairs
b) Gauge tie chairs
c) Slide chairs
d) Stretcher bars
Q.5.
What is used to prevent vertical movement between rail wing and nose of crossing?
a) Spherical washers
b) Flat bearing plates
c) Stretcher plates
d) Distance blocks
Q.6.
In Coles method from where does the curvature begin on the straight track?
a) At the theoretical toe of switch
b) At the actual toe of switch
c) At theoretical nose of crossing
d) At actual nose of crossing
Q.7.
Which of the following formula is used for the calculation of curve lead in Coles method?
a) Curve lead = GN
b) Curve lead = 2GN
c) Curve lead = 3GN
d) Curve lead = 7GN
Q.8.
Which of the following represent the correct number and names of location of kinks in Coles method?
a) At actual toe of switch and at heel of switch
b) At heel of switch and theoretical nose of crossing
c) At actual toe of switch, theoretical toe and heel of switch
d) At actual toe of switch, heel of switch and at first distance block of crossing
Q.9.
No kink is present in layout of IRS method.
a) True
b) False
Q.10.
What can be done to improve the speed of trains over turnouts?
a) Superelevation can be decreased
b) Gaps can be kept gauge face and
c) Curved switches can be provided
d) Gauge can be decreased
Q.11.
Which of the following is not a feature of turnouts of European countries?
a) Provision of transition curve between toe of switch and nose of crossing
b) Long curves switches
c) Low cant deficiency
d) Curving of switches and crossings to same radius as lead curve
Q.12.
Indian Railways has finalised a design of 1 inturnout for passenger yard at max permissible speed of 100kmph.
a) True
b) False
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