Reference no: EM13949794
1. How does the control volume energy rate balance account for work where mass flows across the boundary?
2. Why does the relative velocity normal to the flow boundary, Vn, appear in Eqs. 4.3 and 4.8?
3. When a slice of bread is placed in a toaster and the toaster is activated, is the toaster in steady-state operation, transient operation, both?
4. As a tree grows, its mass increases. Does this violate the conservation of mass principle? Explain.
5. Wind turbines and hydraulic turbines develop mechanical power from moving streams of air and water, respectively. In each case, what aspect of the stream is tapped for power?
6. How is the work done by the heart measured?
7. How does a heart-lung machine maintain blood circulation and oxygen content during surgery?
8. Where do you encounter microelectromechanical systems in daily life?
9. Where are compressors found within households?
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Control volume energy rate balance
: 1. How does the control volume energy rate balance account for work where mass flows across the boundary? 2. Why does the relative velocity normal to the flow boundary, Vn, appear in Eqs. 4.3 and 4.8?
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