Please see attached commented version.
I think these are pretty much what you should do in the exam, the couple of arithmetical slips are of little consequence.
Slightly marred by feeling the need to think about freight and the decision to use the longest acceptable 3 aspect spacing to demonstrate the headway was achievable and then finding that it barely was (or actually not achievable given correction of the maths!).
I think these are pretty much what you should do in the exam, the couple of arithmetical slips are of little consequence.
Slightly marred by feeling the need to think about freight and the decision to use the longest acceptable 3 aspect spacing to demonstrate the headway was achievable and then finding that it barely was (or actually not achievable given correction of the maths!).
(05-04-2014, 03:55 PM)dorothy.pipet Wrote: Herewith, my attempt at the 2005 Calculations for Mainline. Comments please?
PJW