When this posts I should be near 17k ft altitude without electricity or internet – hoping for the best. So, this post and the next couple are homework for you. Take a look, work the problem, solve it, then show your work. Comment with why you choose your response and why you didn’t select one of the others.
Here is question 18 from the ASQ CRE 2009 sample exam.
- To be most cost-effective, corrective action should be implemented between which of the following events?
(A) Initial build Final qualification test
(B) Final qualification test Initial production
(C) Initial production Field release
(D) Field release Field upgrades
Corrective action is the key phrase here – and, one should be careful of the immediate or first definition – so, defend your choice and why you didn’t select the others. Knowing why you don’t select a response is good practice when preparing for the exam.
Fault Isolation (article)
Types of failure data (article)
Reliability Modeling Options (article)
I would say B. Mostly due to the fact that there exist the great potential of realizing failures or weaknesses in the design at the qualification test stage and this will imply adjustment to be made in the initial stage of production for a better design.
David Robson says
B) By this stage errors and deviation from should have been identified and corrected. The final test ratifies that the corrective work is good. Before making the big commitment of initial production (NPI) a final test programme should be completed so that production can be started and any issues with assembly and build can be addressed.