Heat and Flow Technology I.

	Questions on BSc in Mechanical Engineering students 

1. a. / Explain the basic physical properties of solids and liquids (identical and different qualities)!
b. / Describe the fluids apply Newton's law!
2. Describe a gas-liquid equilibrium p-v diagram; explain the noteworthy values for water!
3. a./ Describe the ideal and the real properties of a liquid, descriptive equations!
b./ Describe the ideal gas properties, describing the equations!
4. Define the concept of pressure, dimensions, and units!
5. Describe pressure gauge in at least three different approaches!
6. a. / Derive the heavy liquid equilibrium equation of the steps described and justified.
b. / what kind of force field can be a fluid balance. Claim is justified by a cool down, write down the steps.
7. Derive the isothermal atmosphere and a linear function of temperature atmosphere!
8. Derive the continuity equation, justify the steps!
9. Describe the Euler equations describe the physical meaning of the terms in it!
10. Write the Bernoulli equation, and write the restrictions!
11. Describe the Venturi tube, the Pitot tube and the Pitot tube , operation principle, the scope of application!
12. Derive the surface function of a vortex on the water surface!
13. Describe the Euler-turbine equation used for pump and fan.
14. Describe the forward curved radial and backward curved radial fans ideal characteristic curves! 
15. Draw a fan or pump a real curve and compare the theoretical characteristic!
16. Describe the unsteady Bernoulli’s equation and the solution to a reservoir.  Draw up a velocity-time function!
17. Write down the momentum equation; explain the meaning of the different terms!
18. Apply it on a moving flat plate!
19. Derive the real pressure growing for a sudden cross-section growth and the Borda-Carnot loss!
20. Derive the force of Pelton turbine for one blade and for the whole wheel forces!
a. / Derive the maximum useful power (v2=?)!
22. Derive the Betz-formula for the wind turbine!
23. Describe the Moody diagram for smooth and rough pipes! 

Budapest 08. September 2017. 					Dr. Ferenc Szlivka
	Professor