Module 15. Gas turbine engine
Upon what quality or characteristic of a lubricating oil is its viscosity index based?
• Its rate of flow through an orifice at a standard temperature.
• Its rate of change in viscosity with temperature change.
• Its resistance to flow at a standard temperature as compared to high grade paraffin base oil at the same temperature.
Diverdeep asking:
• viscosity is defined as mm^2/s for a determined temperature.
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