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. |