Mechanical Properties of Fluids questions
539 published questions with worked solutions.
- Three liquids of densities _1, _2 and _3 (With _1 > _2 > _3) having same value of surface tension, T, rise to the same height in...
- Let 'n' be the number of liquid drops, each with surface energy 'E'. these drops join to form single drop. In this process
- 'n' number of liquid drops each of radius 'r' coalesce to form a single drop of radius 'R'. The energy released in the process is...
- At critical temperature, the surface tension of liquid is
- A metal sphere of mass 'm' and density ' _1' falls with terminal velocity through a container containing liquid. The density of...
- Water flows through a horizontal pipe at a speed 'V'. Internal diameter of the pipe is 'd'. If the water is coming out at a speed...
- The height of liquid column raised in a capillary tube of certain radius when dipped in liquid 'A' vertically is 5 cm. If the...
- Three liquids have same surface tension and densities _1, _2 and _3 ( _1 > _2 > _3). In three identical capillaries rise of...
- If the work done in blowing a soap bubble of volume 'V' is 'W', then the work done in blowing a soap bubble of volume '2V' will be
- The viscous force between two liquid layers is
- A closed pipe containing a liquid showed a pressure P_1 by gauge. When the value was opened, pressure was reduced to P_2. The...
- A completely filled water tank of height 'h' has a hole at the bottom. The total pressure at the bottom is 4H and atmospheric...
- A metal sphere of radius R, density _1 moves with terminal velocity V_1 through a liquid of density . Another sphere of same...
- Due to surface tension, the excess pressure inside a smaller drop is 9 units. If 27 smaller drops of same liquid combine then the...
- Two glass plates of area 10^ -2 , m ^2 have 0.05 mm thick water film between them. The surface tension of water is 70 10^ -3 N/m....
- When a liquid of density ' ' flows through a tube of diameter 'd' with critical velocity 'V' then the Reynolds number is ( =...
- In a stream line flow, velocity of a fluid at given point
- A certain number of spherical liquid drops of radius 'r' coalesce to form a single drop of radius 'R' and volume 'V'. If 'T' is...
- In a capillary tube of radius 'R', a straight thin metal wire of radius 'r' is inserted symmetrically and one end of the...
- A liquid drop having surface energy E is sprayed into 512 droplets of the same size. Then the final surface energy is
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