Civil Engineering Mcqs

Lead of crossing is the distance from the__________________?
  • (A)  heel of the switch to the toe of the switch
  • (B)  heel of the switch to the theoretical nose of the crossing
  • (C)  toe of the switch to the theoretical nose of crossing
  • (D)  toe of the switch to the actual nose of crossing
Lead of crossing is the distance from the_________________?
  • (A)  heel of the switch to the toe of the switch
  • (B)  heel of the switch to the theoretical nose of the crossing
  • (C)  toe of the switch to the theoretical nose of crossing
  • (D)  toe of the switch to the actual nose of crossing
Flangeway clearance is the distance_________________?
  • (A)  between the adjoining faces of the running rail and the check rail near the crossing
  • (B)  between the gauge faces of the stock rail and the tongue rail
  • (C)  through which the tongue rail moves laterally at the toe of the switch
  • (D)  none of the above
The object of providing a point lock is_________________?
  • (A)  to ensure that each switch is correctly set
  • (B)  to ensure that the point may not be operated while the train is on it
  • (C)  to detect any obstruction between and tongue rail
  • (D)  none of the above