If a steam propulsion plant is provided with...

Question 1 / 2066636ef128f7522a1c523569

Question 1 of 2066636ef128f7522a1c523569

If a steam propulsion plant is provided with two main propulsion boilers, two fuel oil service heaters, two fuel oil service pumps, and two fuel oil settling tanks, what is the capacity of each fuel oil service heater?

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🔍 Key Concepts

• Redundancy requirements for vital systems in a steam propulsion plant • How loss of one component (pump or heater) should affect the ability to keep both boilers on line • Relationship between number of units installed and the minimum capacity each one must be able to handle for safe operation

💭 Think About

• If one fuel oil service heater fails, what must the plant still be able to do to safely operate the ship? • Think about why the system has two service pumps – what is the usual design philosophy for pumps on essential services? • In an emergency, with one piece of equipment out of service, what is the minimum acceptable number of boilers that should still be able to get properly heated fuel?

✅ Before You Answer

• Check typical design logic for essential systems: N+1 redundancy versus splitting capacity 50/50 between units. • Consider whether a single failure (one pump or one heater) should ever force you to shut down one boiler or both boilers. • Verify whether the safer design is that each heater handles half the total load or all of the total load if the other fails.

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Question 1 of 20

Each heater has the capacity to supply heated fuel to both boilers under full load with both service pumps running.

Each heater has the capacity to supply heated fuel to both boilers under full load with one service pump running.

Each heater has the capacity to supply heated fuel to just one boiler under full load with one service pump running.

Each heater has the capacity to supply heated fuel to just one boiler under full load with both service pumps running.

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Question 1 / 2066636ef128f7522a1c523569

Question 1 of 2066636ef128f7522a1c523569

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Question 1 of 20

66636ef128f7522a1c523569

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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