Q. A venturiflume is a flumed structure constructed across a channel by restricting its width.

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Q. According to Pascal's law, the intensity of pressure at any point in a fluid at rest is the same in all directions.

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Q. The ratio of the inertia force to the surface tension force is called Weber's number.

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Q. For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

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Q. The buoyancy depends upon the

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Q. In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

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Q. Select the correct statement

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Q. The specific weight of sea water is __________ that of pure water.

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Q. If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, The body is said to be in __________ equilibrium.

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Q. The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called

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Q. The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to

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Q. The velocity corresponding to Reynold number of 2000 is called

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Q. The specific weight of water in S.I. units is taken as

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Q. The loss of head at exit of a pipe is

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Q. The flow in a pipe is laminar, when Reynold number is less than 2000.

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Q. The power transmitted through the pipe is maximum when the head lost due to friction is equal to

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Q. The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

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Q. The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

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Q. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size.

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Q. An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

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