Q.1.
Which formula is used for the calculation of number of crossing based on Centre line method?
Q.2.
What is another name of Coles method?
Q.3.
All the methods used for determining the number of crossing give the same value.
Q.4.
What is the limiting wear for a crossing?
Q.5.
What is done for reconditioning of crossings at site?
Q.6.
Which of the following is used for gas welding of crossings?