A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should be made when the tail-shaft has been drawn?()
A certain salad dressing made only of oil and vinegar is premixed and sold in the grocery store. What is the ratio of oil to vinegar in the mix?
(1) An 18.6-ounce bottle of the salad dressing contains 12.4 ounces of vinegar.
(2) In a 32-ounce bottle of the salad dressing, there is half as much oil as there is vinegar.
It seems oil ______ from this pipe for some time. We’ll have to take the machine apart to put it right.
If the detergent type lubricating oil being used in a diesel engine is black, the oil ()
In a marine diesel engine the oil sump is ().
The younger motorman as well as the others () to operate the oil separator.
The rate of cylinder lubricating oil metered to each cylinder of a large low-speed main propulsion diesel engine is ()
Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause ().
The ability of an oil to separate cleanly from an oil and water mixture is referred to as its ().
When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions()