Q. An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to

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Q. Flow of water in pipes of diameter more than 3 metres, can be measured by

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Q. Hydraulic grade line

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Q. If the Mach number for a fluid flow is less than 1, the flow is

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Q. Hydraulic coefficient of an orifice means the coefficient of

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Q. Poise is the unit of

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Q. For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom

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Q. The upper surface of the weir over which water flows, is known as

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Q. The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called

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Q. Hydraulic radius is equal to

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Q. The discharg formula Q = Cd √2gH x A is used for rectangular

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Q. The acceleration f required to accelerate a rectangular tank containing water horizontally so that the slope of its free surface is 45°, is

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Q. For solving network problems of pipes, necessary condition is

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Q. In a fluid flow a particle may posses

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Q. In two dimensional flow the components of velocity are given by u = ax; v = by. The stream lines will be

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Q. For a most economical rectangular channel, the hydraulic mean depth, is equal to

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Q. In a venturimeter, the divergent cone is kept

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Q. Specific weight of sea water is more than that of pure water because of

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Q. Total pressure on the top of a closed cylindrical vessesl completely filled with liquid, is directly proportional to

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Q. Energy equation is usually applicable to

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