Q.1
What is formed when 2 different gradients meet?
  • a) Summit
  • b) Sag
  • c) Summit or Sag
  • d) Another gradient
Q.2
Which of the following decides the length of Vertical curve?
  • a) Gradient of first curve
  • b) Gradient of second curve
  • c) Algebraic sum of gradients
  • d) Algebraic difference of gradients
Q.3
What should be the maximum rate of change of gradient in case of Summit curve?
  • a) 0.1%
  • b) 0.5%
  • c) 0.3%
  • d) 0.8%
Q.4
Which of the following is the correct formula for finding the length of vertical curve for achieving maximum permissible speed?
  • a) L = a/r x 30.5m
  • b) L = r/a x 30.5m
  • c) L = a/r x 100m
  • d) L = r/a x 100m
Q.5
Which of the following is not a major reason for the distortion of alignment of curve?
  • a) Unbalanced loading on inner edge
  • b) Horizontal forces on rail
  • c) Unbalanced forces on outer edge
  • d) Traffic from both sides
Q.6
According to cumulative frequency diagrams when should the realignment take place?
  • a) Cumulative percentage of versines is negligible
  • b) Cumulative percentage of versines is between 10 and 50
  • c) Cumulative percentage of versines is less than 80
  • d) Cumulative percentage of versines is 100
Q.7
What should be the maximum station to station variation of versine on curves where speed in excess of 100kmph are permitted?
  • a) 15mm
  • b) 20mm
  • c) 30mm
  • d) 35mm
0 h : 0 m : 1 s