Q. The coefficient of discharge for an external mouthpiece is

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Q. A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be

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Q. A siphon is used to connect two reservoirs at different levels intervened by a high ridge.

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Q. A flow in which the volume of a fluid and its density does not change during the flow is called __________ flow.

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Q. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance.

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Q. The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)

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Q. The discharge through a siphon spillway is

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Q. The maximum discharge over a broad crested weir is

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Q. In a venturimeter, the velocity of liquid at throat is __________ than at inlet.

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Q. The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

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Q. The coefficient of viscosity may be determined by

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Q. The stability of a dam is checked for

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Q. An ideal fluid is frictionless and incompressible.

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Q. A manometer is used to measure

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Q. The centre of gravity of the volume of the liquid displaced is called

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Q. Which of the following is an example of laminar flow?

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Q. The pressure less than atmospheric pressure is known as

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Q. The total energy line lies over the hydraulic gradient line by an amount equal to the

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Q. A structure whose width is __________ the width of the channel, is called a flumed structure.

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Q. The maximum efficiency of transmission through a pipe is

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