Principles of Lubrication
When any two objects are in contact, at least one type of force is acting on the contact point, friction. Friction can cause wearing of material and generate heat. To minimize the effects of friction, a lubricant is used to partially separate the two objects.
Regulator Contact Information:
"Explain the purpose of lubrication.
Define sliding, rolling, and fluid friction.
State the factors that affect lubrication.
Explain the differences between hydrodynamic, hydrostatic, and boundary lubrication.
Discuss the importance of viscosity in lubricant selection.
Describe the common methods used to lubricate bearings. "
You will not be required to pass the knowledge check questions to move on to the next lesson. These will not be counted as a grade, but each question gives you insight into what you should have learned and the sorts of things you'll need to remember moving forward.
The final exam must be passed successfully with 80% or higher in order to receive your certificate of completion.