What is the energy value of LNG compared to MDO, HFO, etc.?

Study for the USCG Third Assistant Engineer (3/AE) Test. Prepare with flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

Liquefied Natural Gas (LNG) has a higher energy value than Marine Diesel Oil (MDO) and Heavy Fuel Oil (HFO). When comparing the energy content, LNG typically contains about 60% more energy per unit weight than these traditional fuel oils. This means that for the same weight of fuel, LNG can provide a greater amount of energy, making it an efficient choice for marine propulsion.

The energy density of LNG, measured in megajoules or BTUs per cubic meter or kilogram, is significantly higher than that of MDO and HFO, contributing to LNG's growing popularity as a cleaner-burning alternative in maritime sectors. This efficiency means that vessels can achieve better performance and lower fuel consumption when powered by LNG compared to using MDO or HFO.

Given the context of the choices, the percentage representing the energy value of LNG as compared to conventional fuels like MDO and HFO being accurately set at around 60% aligns with the established data and studies in energy conversion and fuel efficiency.

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