What is an advantage of diesel over steam...

What is an advantage of diesel over steam...

Question 1 of 2707066636eec28f7522a1c51bf93

What is an advantage of diesel over steam turbine propulsion?

Question 1 of 27070

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Q

What is an advantage of diesel over steam turbine propulsion?

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🔍 Key Concepts

• Specific fuel consumption (SFC) differences between diesel and steam turbine plants • How many BTUs of useful work you get per pound of fuel for diesel vs. steam • Real‑world operating costs: fuel burned per shaft horsepower (SHP), not the absolute fuel price

💭 Think About

• Think about which plant turns more of the fuel’s energy into useful turning force on the propeller for each unit of SHP produced. • Ask yourself: in practice, which system is known for better mileage at sea: large slow‑speed diesels or steam‑turbine ships? • Consider whether the exam is testing fuel price, mechanical complexity, or thermodynamic efficiency per SHP.

✅ Before You Answer

• Verify which choice is about how much fuel is burned to get 1 SHP, not about the market price of the fuel itself. • Check which options are clearly not always true in the real world (for example, fuel prices can change with the market). • Focus on the option that reflects a thermodynamic/operational efficiency advantage, not a potentially temporary economic or design advantage.