08-02-2011, 01:27 AM
(This post was last modified: 08-02-2011, 01:28 AM by Saraswathi.)
Hi,
Q1) Can anyone explain the types of point machines used on the main line and underground of UK, when & why?
Q2) Occassions where we use trailable, non-trailable and High thrust point machines?
Q3) What is the difference between Facing Point Lock (FPL) and Ground Lock (GL) and when do we adopt them?
Q1) Can anyone explain the types of point machines used on the main line and underground of UK, when & why?
Q2) Occassions where we use trailable, non-trailable and High thrust point machines?
Q3) What is the difference between Facing Point Lock (FPL) and Ground Lock (GL) and when do we adopt them?