Q. A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is

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Q. Stoke is the unit of

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Q. One poise is equal to

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Q. Reynold's number is the ratio of the inertia force to the

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Q. A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is

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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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