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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