Concours ENSOA Spécialiste Practice Questions - Concours ENSOA - Sous-Officiers Spécialistes (Côte D'Ivoire) Exam

What does the rating '15W-40' designate on a multigrade engine oil container used in military heavy transport fleets?

15% synthetic base oil and 40% detergent additives by volume Cold-temperature viscosity rating of 15W and high-temperature viscosity rating of 40 Operational temperature operating limits between 15°C and 40°C 15 bar minimum working pressure and 40 bar maximum relief valve pressure

Correct Answer:

Cold-temperature viscosity rating of 15W and high-temperature viscosity rating of 40

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