Engine: General Subjects

1. A As the temperature of a lubricating oil increases, the viscosity of the lubricating oil may increase or decrease, depending upon the lubricant.
2. B As the temperature of a lubricating oil varies in either direction, the viscosity of the lubricating oil remains constant.
3. C As the temperature of a lubricating oil increases, the viscosity of the lubricating oil also increases.
4. D As the temperature of a lubricating oil increases, the viscosity of the lubricating oil decreases.

Tip: press A-D to answer