What are the advantages of multigrade oil? What are the disadvantages of monograde oil?

Jun 14, 2007 ... Neither number corresponds to an actual 'weight,' even though that is the term most people use when referring to motor oil. The viscosity (flow ... Oct 10, 2023 ... SPF stands for Sun Protection Factor. The SPF number indicates the level of protection against ultraviolet (UV) B rays. Sep 30, 2023 ... What do the terms 5W40 and 5W30 mean? In both 5W30 and 5W40 engine oil grades, the 'W' stands for the word 'winter', as designed by the ... Common Acura Service Codes: What Do These Combinations Mean? Code Name, Code Meaning. A12. Replace engine oil; Rotate tires; Replace air cleaner element ... Mar 13, 2003 ... Grade is used to simplify the selection of a oil of a given viscosity index. Using your example it should have been stated: An oil SAE 40 has a ... Feb 23, 2018 ... They relate to viscosity, measuring the amount of resistance that a particular motor oil has as it flows throughout the engine. Now that we understand what the first number represents, it's time to focus on the second one, which is 40 in our example. It shows how thick the oil is under ... Jun 17, 2019 ... Class B: Flammable liquids and gasses, excluding grease and cooking oil; Class C: Fires worsened or sustained by energized electrical equipment ... Aug 28, 2013 ... What do the numbers on motor oil mean? All oils have a different viscosity and are designed to fit different types of engines. Use the wrong ... Apr 18, 2015 ... This is what the numbers mean. The first number is the viscosity of the oil, how it will flow, when cold. The second number is the viscosity, ...