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Thermodynamics Practice Test: Compressible Fluid Flow
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Compressible Fluid Flow topics include: Normal shocks, pressure pulse in fluids, isentropic flow and choking. Compressible fluid flow is a branch of fluid mechanics that deals with flows where the fluid density changes significantly. Compressible flows are usually high-speed flows with Mach numbers greater than about 0.3. Examples of compressible flow include: Flow over a wing or aircraft nacelle Flow through high-performance valves Flow of air over an aircraft wing Combustion gases in a jet engine  Compressible fluid flow is different from incompressible fluid flow because the... Show more
Thermodynamics Practice Test: Compressible Fluid Flow
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25 Questions

1. The end states of normal shock must ____ Fanno line.
2. Which of the following statement is true?
3. The pressure wave velocity c is given by
4. The same passage or duct can be either a diffuser or a nozzle.
5. Where do we have the value of Mach number as 1 ?
6. What does a diffuser do?
7. An incompressible fluid is one for which density does not change with change in ____
8. Which of the following relation is correct?
9. Which of the following statement is true?
10. When Mach number, M>1 and flow area increases, then
11. The impulse function is given by
12. Which of the following relation is correct?(asterik * indicates critical properties)
13. When Mach number, M>1 and flow area decreases, then
14. For a supersonic flow,
15. At the choking limit, nozzle passes the ____ mass flow.
16. Fanno line represents the locus of points with same mass velocity and stagnation enthalpy.
17. When Mach number, M<1 and flow area decreases, then
18. Liquids are ____ and gases are ____
19. The reference temperature To and normal temperature T are related by
20. When flow passes from supersonic to subsonic state,
21. When are properties at throat termed as critical?
22. The condition of supersonic flow through throat with adiabatic conditions is called the design pressure ratio of nozzle.
23. Which of the following is correct?
24. For the isentropic stagnation state,
25. For an ideal gas, velocity of sound is given by