Question 75Motor Plants - Assistant Engineer70% to pass
How is lubrication provided to the device shown in the illustration? Illustration MO-0120
AI Explanation
The correct answer is D) The lube oil enters through the supply pipes shown as #11 and eventually drains to the main engine sump.
This is the correct answer because the illustration MO-0120 appears to depict a main engine lubrication system, where the lubrication oil is supplied through designated pipes (labeled #11) and then drains back into the main engine sump after performing its lubricating function. This is the standard method of providing lubrication to the main engine components in a marine propulsion system.
The other answer choices are incorrect because: A) does not accurately describe the lubrication system shown, B) indicates the use of an excessively high-pressure system which is unlikely for a main engine, and C) specifies the use of a specific lubricant type, which is not the focus of the question.
Related Questions
#73 A diesel engine with a full speed of 1000 RPM drives a propeller at 300 RPM. What is the speed reduction ratio? #74 The main engine thrust bearing shown in the illustration contains how many thrust shoes? Illustration MO-0121 #76 What type of bearing is shown in the illustration? Illustration MO-0120 #77 What prevents the thrust bearing blocks shown in the illustration from rotating within the housing? Illustration MO-0120 #78 The minimum speed an engine must attain before ignition can occur depends upon_______________.