Oil is graded by the

A. Society of Automotive Teachers

B. Society of Automotive Engineers

C. League of Automotive Gurus

D. Bureau of Automotive Technicians

correct option is B. Society of Automotive Engineers

Explanation:

solution

we know that Oil is graded by (SAE) Society of Automotive Engineers

because Society of Automotive Engineers is providing rating for automobile horsepower by the long time period

and Previously standard heat is Society of Automotive Engineers gross power

but it is unable to give realistic measurement per rating of the performance

after that they change their standard for more intact and start Society of Automotive Engineers

that is give very compact rating of performance

so correct option is B. Society of Automotive Engineers

Oil is graded by the Society of Automotive Engineers - B.