Q. In a circular pipe of length L and diameter d, a viscous liquid is flowing with a velocity v. The loss in head, is

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Q. A pipe consisting of several pipes of varying diameters and lengths, may be replaced by an equivalent pipe of diameter D of length

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Q. The following Empirical formula for discharge over large rectangular weirs, is known as

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Q. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, is

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Q. The most familiar form of Bernoulli's equation, is

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Q. The mouth piece shown in the below figure is generally known as

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Q. If S is the length of the crest, H is the height of water source of a weir whose length is L and discharge is Q m³/sec, the velocity of approach Vd is

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Q. If u, v, w are the components of the velocity v of a moving particle, then the following equation represents

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Q. The terminal velocity (v) of a sphere of radius r and specific weight W, which travels vertically downwards in a liquid of viscosity μ and specific weight W, is

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Q. Hydraulic gradient is equal to difference in water surfaces

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Q. The valve closure is said to be sudden if

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Q. If Re is the Reynolds's number, the coefficient of friction for laminar flow is

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Q. The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure

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Q. Kinematic viscosity of liquids by following equation is determined by :

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Q. A cylinder 3 m in diameter and 4 m long retains water one side as shown in the below figure. If the weight of the cylinder is 2000 kgf, the vertical reaction at A is

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Q. In the following Newton's viscosity equation, the coefficient (μ) is known as coefficient of

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Q. Which one of the following equation is applicable to unsteady flow in open channels :

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Q. Dimensions of the dynamic viscosity (μ) are

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Q. For pipes not running full, the hydraulic mean depth is given by

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Q. The following equation for the viscosity, is suggested

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