フリー問題

問題文

Every serious incident on a control network in the past two years began on a weekend night. Which answer states what the operational risk analysis has to treat as a factor?

選択肢

1. The same system is not equally defended at every hour, which is why the analysis treats the condenser pipework, treats the evaporator finning, and treats the refrigerant charge that the resulting authorization argument has to acknowledge.
2. The same system is not equally defended at every hour, which is why the analysis treats the firestopping collar, treats the intumescent wrap, and treats the penetration sleeve that the resulting authorization argument has to acknowledge.
3. The same system is not equally defended at every hour, which is why the analysis treats the cavitating pump, treats the inlet strainer, and treats the discharge nonreturn that the resulting authorization argument has to acknowledge.
4. The same system is not equally defended at every hour, which is why the analysis treats the weekend window, treats the reduced crew, and treats the delayed decision that the resulting authorization argument has to acknowledge.