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5 cards from this section. Quick, good the night before a test.
What is the Mach number threshold for assuming incompressible flow?
Think about the speed of sound.
Define volumetric flux.
It's about the flow rate like Q = A * V.
What is incompressible flow?
Consider the conditions under which density is treated as constant.
True or False: The Mach number must be greater than 0.3 for flow to be incompressible.
Think about how speed affects density in fluids.
Given a scenario where flow through a pipe has varying diameters but the Mach number stays below 0.3, predict how velocity changes and apply it to find resulting mass flow rates.
Remember: Calculate cross-sectional area appropriately for each pipe segment.
In a tank with two inflows and one outflow, evaluate how the height of the liquid changesover time based on inflow rates, assuming constant density and flow rates.
Set up mass balance equations using control volumes to model height change.
6 more questions in this section. Enroll free to practise them all.
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