Tankers Class Marker Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

Which of the following is an example of a grade D product?

Gasoline

Kerosene

Kerosene is classified as a grade D product, which refers to its specific properties and applications. In the context of petroleum products, grade D typically indicates products that are less refined and have a higher flash point compared to other fuels. Kerosene is commonly used for heating and as a fuel in jet engines, which aligns with its classification.

On the other hand, gasoline, diesel, and jet fuel are examples of products that fall into different grade classifications due to their chemical composition and intended use. Gasoline is a grade A product, with a lower flash point suitable for internal combustion engines. Diesel is regarded as a grade B product, and jet fuel, while similar in some respects to kerosene, is generally associated with grade C or higher due to its specific refining processes and performance characteristics in aviation. Understanding these classifications is crucial for safe handling and appropriate use of these fuels.

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Diesel

Jet fuel

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