Coast Guard Exams
Question 239Motor Plants - Assistant Engineer70% to pass

The illustrated device is used to_______________. Illustration MO-0050

Diagram for question 239
AI Explanation
The correct answer is A) supply cylinder lubricating oil to the engine. This device is likely a lubricating oil pump, which is used to supply the necessary lubrication to the engine cylinders and other moving parts. Proper lubrication is critical for the safe and efficient operation of the engine, as it reduces wear and tear on the components. The other answer choices are incorrect because they describe different engine systems - B) is for the fuel system, C) is for the starting air system, and D) is for the exhaust valve actuation, which are not the function of the illustrated device.