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

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

Which of the following conditions will hold for a Bingham plastic?

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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 + B , where A, n and B are constants.

Which of the following conditions will hold for a Rheopectic?

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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 + B , where A, n and B are constants.

Which of the following conditions will hold for a Thixotropic fluid?

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Q. Which of the following is a shear-thinnning fluid?

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Q. Which of the following is a shear-thickening fluid?

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Q. For what value of flow behaviour index, does the consistency index has a dimension independent of time?

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Q. What will be the dimension of the flow consistency index for a fluid with a flow behaviour index of 3?

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Q. What will be the dimension of the flow consistency index for a fluid with a flow behaviour index of -1?

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Q. Which of the following contribute to the reason behind the origin of surface tension?

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Q. What will be the diameter (in mm) of a water droplet, the pressure inside which is 0.05 N/cm² greater than the outside pressure? (Take surface tension as 0.075 N/m)

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Q. A soap bubble of d mm diameter is observed inside a bucket of water. If the pressure inside the bubble is 0.075 N/cm², what will be the value of d? (Take surface tension as 0.075 N/m)

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Q. A liquid jet of 5 cm diameter has a pressure difference of N/m². (Take surface tension as 0.075 N/m)

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