(30-09-2009, 01:07 AM)priyman Wrote: yes, i did try those avenues!
the fault tree for 'signal lamp out' is attached. But again, i wanted the points and TC's.
I think you are missing the point a bit......
It is not a question of learning "the" fault tree for a particular bit of equipment; rather to undertand how to construct a fault tree from:
a) your knowledge of the format and how to depict
b) your knowledge of defects / faults / failures in general
c) your knowledge of the particular item of equipment
d) your understanding of the specific scenario described
You should be able to APPLY THE TECHNIQUES to produce an original answer for a particular question that you hadn't encountered before.
There is no value in being able to reproduce what someone else has already done (a photocopier does so far faster / cheaper / more accurately!). There is value in a person being able to build something bespoke from scratch to model a specific situation using "building blocks" gleaned from their previous experience and assembled in a novel way for that specifi purpose. The IRSE Exam is very much focussed on goving candidates the opportunity to do the latter.
PJW