| What statement is true concerning viscosity index as it applies to lubricating oils? |
| A) An oil with a high viscosity index would have a relatively high rate of change of viscosity as the pressure changes. |
| B) An oil with a high viscosity index would have a relatively low rate of change of viscosity as the temperature changes. |
| C) An oil with a high viscosity index would have a relatively low rate of change of viscosity as the pressure changes. |
| D) An oil with a high viscosity index would have a relatively high rate of change of viscosity as the temperature changes. |