Q. A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

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Q. The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

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Q. Turbulent flow takes place at high velocities.

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Q. When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

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Q. The hydraulic mean depth for a circular pipe of diameter (d) is

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Q. The tangential velocity of the water element having a free vortex is

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Q. The unit of kinematic viscosity in S. I. units is

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Q. A fluid whose viscosity does not change with the rate of deformation or shear strain is known as

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Q. The variation in the volume of a liquid with the variation of pressure is called its

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Q. The pressure measured with the help of a pressure gauge is called

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Q. A venturiflume is used to measure

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Q. The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.

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Q. The metacentric height is the distance between the

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Q. The viscosity of a liquid __________ its rate of flow through a hole in a vessel.

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Q. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir

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Q. The Cippoletti weir is a __________ weir.

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Q. When a body is placed over a liquid, it will float if

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Q. Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.

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Q. The velocity at which the flow changes from laminar flow to turbulent flow is called

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Q. The discharge through a channel of trapezoidal section is maximum when

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