+- IRSE Exam Forum (https://irse.signalpost.org)
+-- Forum: MODULES (https://irse.signalpost.org/forumdisplay.php?fid=3)
+--- Forum: Module 1 (https://irse.signalpost.org/forumdisplay.php?fid=4)
+---- Forum: Studying for module 1 (https://irse.signalpost.org/forumdisplay.php?fid=78)
+---- Thread: 2008 Q1 (/showthread.php?tid=193)
2008 Q1 - Douglas - 05-03-2009
London Study Group next meets on Wednesday 18th March, following on from last night's lecture on safety engineering by Ali Hasammi we shall be looking over the three questions. Please come along to the group with your own answers prepared; feel free discuss this question here:
____________________________________________________________
Define what is meant by safety related and safety critical systems in relation to railway signalling or telecommunication applications. [6 marks]
Briefly describe two examples of each type of system. [6 marks]
When designing and developing a safety related system, what techniques can be used to:
a) Minimise failures and b) Reduce or prevent hazardous effects when failure occurs. [13 marks]