Which of the following statements about an oil’s viscosity is not true? a. The ability of oil to resist flow is its viscosity. b. Viscosity is affected by temperature; hot oil flows faster than cold...

Which of the following statements about an oil’s viscosity is not true? a. The ability of oil to resist flow is its viscosity. b. Viscosity is affected by temperature; hot oil flows faster than cold oil. Oil flow is important to the life of an engine. c. In the API system of oil viscosity classification, the lighter oils receive a higher number. d. Heavyweight oils are best suited for use in high-temperature regions. Low-weight oils work best in low temperature operations.