A chemical plant system may detect excessive pressure and open a relief valve to reduce these pressures before an explosion occurs. What kind of dependability and security issue the example states ?
Correct answer: D. Hazard detection and removal
- A. Hazard avoidance
- B. Damage limitation
- C. Hazard detection
- D. Hazard detection and removal
Explanation
The system first detects excessive pressure and then removes the hazard by opening the relief valve, so this is hazard detection and removal. Damage limitation would apply after the harmful event or damage had already occurred.
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