Q. For a compressible fluid the kinematic viscosity is affected by temperature and pressure variation.

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Q. Which of the following statement is true about vapor pressure of a liquid?

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Q. Which of the following equation correctly depicts the relation between the vapor pressure of a liquid and it’s temperature?

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Q. Which of the following is the condition for the boiling of a liquid?

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Q. Which of the following machines have the possibility of cavitation?

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Q. The three liquids 1, 2, and 3 with vapor pressures V1, V2 and V3 respectively, are kept under same pressure. If V1 > V2 > V3, which liquid will start boiling early?

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Q. Equal amount of a particular liquid is poured into three similar containers, namely 1, 2 and 3, at a temperature of T1, T2 and T3 respectively. If T1 < T2 < T3, the liquid in which container will have the highest vapor pressure?

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Q. The absolute pressure of a water is 0.5kN above it’s vapor pressure. If it flows with a velocity of 1m/s, what will be the value of Cavitation Number describing the flow induced boiling?

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Q. Which of the following is correct regarding the formation and collapse of vapor bubbles in a liquid?

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Q. Which one of the following is the correct relation between compressibility β and Bulk Modulus k?

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Q. Which one of the following is true about Bulk Modulus of elasticity?

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Q. The value of the Bulk Modulus of elasticity for an incompressible fluid is

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Q. Three fluids 1, 2 and 3 have Bulk Moduli of k1, k2 and k3 respectively. If k1 > k2 > k3, which liquid will have the highest compressibility?

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Q. Bulk Modulus, Pressure, Force, Stress – Which one of these won’t have the same unit as the others?

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Q. Which of the following is the dimension of Bulk Modulus?

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Q. Which one of the following is the unit of compressibility?

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Q. Which of the following is the dimension of compressibility?

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Q. The relation between shear stress Z and velocity gradient du/dy of a fluid is given by

Z = A * (du/dy)ⁿ , where A and n are constants.

If n = 1, what type of fluid will it be?

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Q. The relation between shear stress Z and velocity gradient du/dy of a fluid is given by

Z = A * (du/dy)ⁿ , where A and n are constants.

If n > 1, what type of fluid will it be?

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Q. The relation between shear stress Z and velocity gradient du/dy of a fluid is given by

Z = A * (du/dy)ⁿ , where A and n are constants.

If n < 1, what type of fluid will it be?

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