Post lab 1 differentiate between the terms viscosity

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2 Post Lab: 1. Differentiate between the terms Viscosity and Viscosity Index.
2. What are the suggested viscosity index values for Mobile or Automotive hydraulic systems?
3. What does SUS stand for as it relates to viscosity index? Explain what the difference between a VI of 100 SUS vs. oil with a 400 SUS?
The oil with the VI of 400 SUS will change less with a temperature change than the oil with the VI of 100 SUS. Fluids with a higher VI only slightly change as temperature changes. 4. What happens to the physical property values (specific weight, specific gravity, viscosity etc.) as temperature increases?

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