Oil viscosity measures how fluid flows and is correlated with the oil's thickness. Higher viscosity means thicker oil, impacting its performance in various applications. Understanding viscosity helps in selecting the right oil for engines and machinery. ;
Oil viscosity measures how thick or thin oil is and affects how well it flows. The correct answer to the question is option D: Viscosity is a measure of the thickness of the oil. Understanding viscosity helps in choosing the right oil for engines and machinery.
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