Buoyancy is a result of which condition(s). Indicate all that apply. (a) Fluid density gradients (b) Fluid pressure gradients (c) Fluid temperature gradients (d) Gravitational force

Fluid mechanics

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(5)- In thermodynamics, there are many laws such as Boyle's Law, Combined Gas Law, Gay- Lussac's Law , Ideal Gas Law, and Charles' Law. Describe all of those laws, with writing the formulas of the laws.? (6)- A 40 OL balloon is filled with air at sea level (1 00 atm 25.0°C) It is tied to a rock and thrown

If angle of contact of a drop of liquid is acute then (a) adhesion is more than cohesion (b) cohesion is more than adhesion (c) cohesion is equal to adhesion (d) adhesion and cohesion have no bearing with angle of contact

Fluid mechanics I

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There are various methods that can be used to calculate the hydrostatic force on a submerged surface. Which of the following statements are correct? (i) (iii) The pressure prism method gives good understanding of the fundamentals but it can only be used for plane surface uniform in the spanwise direction. The parallel axis theorem can be used for surface not uniform in the spanwise direction such as a circular or triangular plane surfaces, but it is limited to simple geometry where the second moment of area can be easily defined. The elementary area method can be used for any 2 or 3 dimensional surface as long as the geometric unit normal vector is known at any point on the surface. (A) (B) (C) (D) (i) and (ii) (i) and (iii) (ii) and (iii) All of the above The Eulerian frame of reference is commonly used in analyzing fluid problems instead of the Lagrangian frame of reference. The main differences between these 2 frames of reference are: (i) The steady motion in Lagrangian frame of…

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1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per -- in any direction along the surface the surface tension. 4. The value of - specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates- 6. A truck is filled with gasoline. If the container (tank) on the truck undergoes a - - is applied. - but also to specify its location on the body. then the liquid surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.