Fluid Mechanics 2
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Fluid Mechanics 2
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25 Questions

1. Water flows through a circular tube with a velocity of 2 m/s. The diameter of the pipe is 14 cm. Take kinematic viscosity of water 10-6 m2/s and density of water 1000 kg/m3.
2. For a diffuser, the vertical intercept between EGL and HGL
3. The frictional resistance for fluids in motion varies
4. What is the default value of a specific heat ratio in pipelines?
5. Define Factor of safety
6. The flow through a circular pipe is laminar. Now, the fluid through the pipe is replaced with a more viscous fluid and passed through the pipe again with the same velocity. What can we say about the nature of this flow?
7. How does a turbulent boundary layer produce swirls?
8. When is the fluid called laminar?
9. When a fluid is subjected to resistance, it undergoes a volumetric change due to __________
10. The Bernoulli’s equation in fluid dynamics is valid for _________
11. Gas flows through the nozzle from an area of _____ pressure (called the chamber) to one of _____ pressure
12. Define Viscosity.
13. What is the other name for Stoke’s boundary layer?
14. Which among the following is a formula for shear stress?
15. If a flow is having the same parameters at any given point, then it is said to be_________
16. The flow separation occurs when the fluid travels away from the __________
17. What is the best suitable type of pipe?
18. The stagnation state is obtained after a _____________ to zero velocity.
19. Drag coefficient is a function of _________
20. Which of the following is true?
21. What is the default value of pipe length?
22. On which of the factors does the co-efficent of bend in a pipe depend?
23. The Prandtl Number approximates ___________
24. Bodies with a larger cross-section will have________
25. Which one of the following is correct?

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