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GATE 2023 FLUID MECHANICS 16

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Question 1

A fluid is stored in a container. The fluid can be approximated as an ideal fluid having no viscous effect. The pressure inside the fluid is 2 Mpa. The container is suddenly compressed by uniform force from outside and as a result of this the volume decreases by 2m3 . Initial volume of the of the container is 20m3. Find the isothermal bulk modulus of the fluid.

Question 2

The ratio of Pressure for soup bubble (PS) to Pressure for water droplet (PR)

Question 3

Which of the following is not used for viscosity measurement of fluid?

Question 4

A gas is compressed under isothermal condition. The change of pressure is from 800 atm. to 803 atm. Calculate change in the density of gas

Question 5

The capillary rise of water is 3cm in a tube. Find the diameter (mm) of tube if surface tension of water = 0.075N/m

Question 6

For a liquid velocity u varies with y as follows

U = 3y – 6y2

U = m/s and y is in meter for

Y = 2 cm find shear stress in liquid

(μ = 1 poise)

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May 9ESE & GATE CE