it management technique

1. Presented by K.CHELLAMUTHU FAULT TREE ANALYSIS UNIT - 3

5. SYMBOL REPRESENTATIONS Circle – it means that basic failure Diamond – it means that basic fault Rectangle – it means that resultant event Double diamond – represents an event House – represents the basic event

7. F (S) F (A) F (B) F( X 1) F( X 3) F( X 2) F( X 4) AND OR AND

11. BLOCK DIAGRAM X 1 X 2 X 3 INPUT OUTPUT

12. Fault tree for problem F (S) AND OR A B C Main fails Transformer fails Generator fails

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