Q. Define Viscosity.

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Q. When a gas is pushed through a pipe, the gaseous molecules are _________ by the pipe’s walls.

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Q. If the speed of sound is much ________ than that of the gas, the gas density will stay constant.

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Q. Isentropic nozzle flow states about the movement of a gas or fluid through a narrow orifice without an increase or decrease in ___________

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Q. In fluid dynamics, the velocity of the fluid in the stagnation point is

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Q. The stagnation state is obtained after a _____________ to zero velocity.

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Q. To refrain from separation in subsonic nozzles, the expansion angle must not be more than _____

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Q. Gas flows through the nozzle from an area of _____ pressure (called the chamber) to one of _____ pressure.

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Q. Converging-diverging nozzle is also known as __________

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Q. When the pressure chamber is big, the flow velocities are _________

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Q. For a compressible, ideal gas, mass flow rate depends on parameters such as flow area, pressure, temperature, properties of the gas, and _________

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Q. Where is a water hammer developed?

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Q. Which among the following is true for hydroelectric power plants?

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Q. The power output of the turbine in a hydroelectric plant depends on______________

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Q. Water hammer is developed in which power plant?

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Q. Which among the following are commercial sources of energy?

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Q. Which is the most suitable place to build a hydroelectric power plant?

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Q. In a hydroelectric power plant, where is the penstock used?

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Q. Which among the following is used as a regulating reservoir?

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Q. Gross head is defined as______

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