![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
American Petroleum Institute adopted the classification of engine oils in the year |
A. | 1920 |
B. | 1950 |
C. | 1952 |
D. | 1960 |
Answer» C. 1952 |
View all MCQs in
Agricultural EngineeringNo comments yet