When a nozzle tester is used to check the spray pattern of a diesel fuel injection nozzle, which of the following statements is true?
Official USCG Answer & Rule Citation
Correct Answer: Option D — A serious hazard of blood poisoning exists if the fuel spray penetrates the skin of the operator
High-pressure fuel injection testers generate pressures exceeding 3,000 PSI. This force easily penetrates human skin, injecting toxic diesel fuel into the bloodstream, causing severe tissue necrosis, amputation risks, or fatal systemic blood poisoning.
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