Question 26 TK01 - Tank Vessel Assistant - Dangerous Liquids

The Correct Answer is A **Why Option A ("Shut down the operation.") is correct:** During fuel transfer operations, safety and environmental protection are paramount. If a safety or pollution hazard is observed (e.g., a leak, unexpected pressure drop, overflow risk), the immediate and primary action must be to stop the source of the danger, which is the flow of fuel. Shutting down the operation immediately prevents the hazard from escalating into a major incident (like a large oil spill or fire) and buys critical time to assess the situation and implement corrective measures. Stopping the flow is the quickest way to mitigate immediate harm. **Why the other options are incorrect:** * **B) Notify the person in charge of the shore facility:** While communication is essential, notifying personnel takes time and does not immediately stop the ongoing hazard (such as a developing spill). The flow must be stopped *before* notification to prevent escalation. * **C) Close the valves at the manifold:** Closing the valves *is* a critical component of shutting down the operation, but "Shut down the operation" (A) is the comprehensive instruction that encompasses stopping pumps, communicating the stop, and securing the flow. Simply closing manifold valves might not immediately stop all flow if there is inertia or if the leak is occurring before the valve. The overall "shut down" procedure (which includes stopping the pumps/flow) must be the first step. * **D) Sound the general alarm:** The general alarm is typically sounded to alert all personnel to a major emergency (e.g., fire, collision, abandonment). While a significant pollution incident might warrant this later, the immediate priority for a *developing* hazard is mitigation (stopping the flow), not widespread emergency mobilization. Sounding the alarm without stopping the flow wastes critical time and may cause unnecessary panic.