Log In


Engine : Motor Plants and Auxiliary Boilers - 410/947
Get a hint
« Previous Question
How often should the lubricating oil of a diesel engine be changed?
A) After every trip
B) Every 4000 hours
C) According to manufacturer's instructions
D) Every time they are shutdown
loading answer...
Comments
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Options
Clear Score