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Numerical (Water)

Numerical problems on Water Resources Engineering covering fluid mechanics, hydraulics, and irrigation. Step-by-step solved examples for civil engineering exams.

Topics: Application of Momentum Principle 18 Boundary layer theory 24 Buoyancy and floatation 31 Flow measurement 28 Fluid Dynamics 24 Fluid Kinematics 16 Hydrostatic Forces on Surfaces 62 Relative equilibrium 22

Solved numericalA float valve regulates the flow of oil (sp. gr. 0.8) into a cistern. The spherical float is 15 cm in diameter…Water Resources · 3 min read

Solved numericalFind the density of a metallic body which floats at the interface of mercury of sp. gr. 13.6 and water such th…Water Resources · 2 min read

Solved numericalA body of dimensions 1.5 m x 1.0 m x 2 m, weighs 1962 N in water. Find its weight in air. What will be its spe…Water Resources · 2 min read

Solved numericalA stone weighs 392.4 N in air and 196.2 N in water. Compute the volume of the stone and its specific gravity.Water Resources · 2 min read

Solved numericalA wooden log of 0.6 m diameter and 5 m length is floating in river water. Find the depth of the wooden log in…Water Resources · 4 min read

Solved numericalFind the volume of the water displaced and position of centre of buoyancy for a wooden block of width 2.5 m an…Water Resources · 2 min read

Solved numericalA circular plate of 3 m diameter is under water with its plane making an angle of 30° with the water surface.…Water Resources · 2 min read

Solved numericalA tank contains water up to a height of 10 m. One of the sides of the tank is inclined. The angle between the…Water Resources · 2 min read

Solved numericalA circular plate of diameter 3 m is immersed in water in such a way that its least and greatest depth from the…Water Resources · 2 min read

Solved numericalA circular drum 1.8 m diameter and 1.2 m height is submerged with its axis vertical and its upper end at a dep…Water Resources · 3 min read

Solved numericalA penstock made up by a pipe of 2 m diameter contains a circular disc of the same diameter to act as a valve w…Water Resources · 2 min read

Solved numericalA circular opening, 3 m diameter, in the vertical side of a water tank is closed by a disc of 3 m diameter whi…Water Resources · 2 min read

Solved numericalDetermine the total force and location of centre of pressure on one face of the plate shown in the Figure belo…Water Resources · 2 min read

Solved numericalA rectangular opening 2 m wide and 1 m deep in the vertical side of a tank is closed by a sluice gate of the s…Water Resources · 2 min read

Solved numericalA hollow circular plate of 2 m external and 1 m internal diameter is immersed vertically in water such that th…Water Resources · 2 min read

Solved numericalThe end gates ABC of a lock are 8 m high and when closed make an angle of 120°. The width of lock is 10 m. Eac…Water Resources · 3 min read

Solved numericalEach gate of a lock is 5 m high and is supported by two hinges placed on the top and bottom of the gate. When…Water Resources · 3 min read

Solved numericalFind the magnitude and direction of the resultant water pressure acting on a curved face of a dam which is sha…Water Resources · 3 min read