Question 358General Subjects - QMED

70% to pass

If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should _______________.

Aadd any oil that has the same viscosity as the hydraulic fluid
Badd fluid that is the same color as the fluid in the reservoir
Cadd turbine oil because it is always a good substitute
Dcheck the winch manufacturer's instruction book
AI Explanation

The correct answer is D) check the winch manufacturer's instruction book. When dealing with hydraulic systems, it is critical to use the exact type of fluid specified by the manufacturer. Using the wrong fluid can damage the system and potentially cause a malfunction. The manufacturer's instructions will provide the specific fluid type, viscosity, and other requirements that must be met. Guessing and using a different oil or fluid based on color or viscosity alone can lead to serious problems. The other options are incorrect because they do not involve consulting the manufacturer's guidance, which is the proper and safest approach when unsure of the correct hydraulic fluid to use.

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Official Resources
46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center
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