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Fluid Mechanics Practice Test: Fluid Dynamics
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Avg score: 58% Most missed: “The Orificemeter has a smooth edge hole.”
Fluid Dynamics topics include: Euler and bernoulli equations of motion, bernoulli applications, newtons first and second law, navier strokes equation, impulse and moment of momentum equation. Fluid dynamics is a branch of physics, physical chemistry, and engineering that studies the flow of liquids and gases. It has several subdisciplines, including aerodynamics and hydrodynamics. Factors that influence the flow pattern of liquids and gases include: The fluid's characteristics, such as density, compressibility, and viscosity The speed of the flow The shape of the solid... Show more
Fluid Mechanics Practice Test: Fluid Dynamics
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25 Questions

1. The principle of Orificemeter is same as that of Venturimeter.
2. When a fluid is subjected to resistance, it undergoes a volumetric change due to __________
3. If compressibility force and surface tension force are neglected from the Newton’s second law of motion, which of the following equations result?
4. The velocity profile of the Couette flow is _______
5. A nanometre is connected to a section which is at a distance of about 4 to 6 times the pipe diameter upstream from orifice plate.
6. What reaction takes place during photosynthesis?
7. Angular momentum is a _______ quantity
8. A point in a fluid flow where the flow has come to rest is called __________
9. The Navier- Stokes equation can be used in which of the following applications?
10. Equation of the first law of thermodynamics is ________
11. SI unit of enthalpy is_______
12. Continuum mechanics is a branch of mechanics that deals with________
13. Orifice meter consists of a flat rectangular plate.
14. A one dimensional flow is also called as __________
15. A student wishes to find the velocity of air flowing through a pipe. He has a pressure gauge which displays only the dynamic pressure. The pressure gauge reads 0.018 mm Hg. Assume density of air to be 1.225 kg/m3, find the velocity V of air (ρHg = 13600 kg/m3).
16. What does a pitot tube measure? Upon which principle does a pitot tube work?
17. When a cricket bat hits a cricket ball, impulse is applied on the_________
18. Froude number depends upon_________
19. Angular momentum is proportional to __________
20. What is the SI unit of momentum?
21. Navier- Stokes equation describes the motion of __________
22. If a flow is having the same parameters at any given point, then it is said to be_________
23. The Orificemeter has a smooth edge hole.
24. The Orificemeter readings are more accurate than Pitot tube readings.
25. A water flows through a pipe at a velocity 2 m/s. The pressure gauge reading is 2 bar. The datum head is given to be 2 m. Find the piezometric head. (Assume all Bernoulli’s assumptions, Density of water = 1000 kg/m3, g = 9.8 m/s2).