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3 cards from this section. Quick, good the night before a test.
What is the formula for density?
Think about what mass and volume refer to in the context of fluids.
Define specific gravity.
Consider why water is often used as a reference.
What is the main property measured by viscosity?
Think about what makes maple syrup thicker than water.
True or False: Specific gravity is the weight of a liquid compared to air.
Remember the reference substance for specific gravity.
If a tank contains a fluid with a specific gravity of 1.2, calculate its density. How does it compare to water?
Use the relationship between specific gravity and water density.
A fluid in a pipe has a viscosity of 0.8 Pa.s. If the shear stress is 4 Pa, what is the velocity gradient?
Recall the relationship between shear stress and viscosity.
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