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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 block of wood floats in water with 40mm projecting above the water surface. When placed in glycerin of sp gr…Water Resources · 2 min read

Solved numericalA wooden block of width 2m, depth 1.5m and length 4m floats horizontally in water. Find the volume of water di…Water Resources · 2 min read

Solved numericalA piece of wood of sp gr 0.65 is 80mm square and 1.5m long. How many Newtons of lead weighing 120KN/m3 must be…Water Resources · 2 min read

Solved numericalA steel pipeline carrying gas has an internal diameter of 120cm and an external diameter of 125cm. It is laid…Water Resources · 2 min read

Solved numericalA rectangular pontoon has a width of 6m, length of 10m and a draught of 2m in fresh water. Calculate (a) weigh…Water Resources · 2 min read

Solved numericalA 3m square gate provided in an oil tank is hinged at its top edge. The tank contains gasoline (sp. gr. = 0.7)…Water Resources · 2 min read

Solved numericalFor the system shown in figure, calculate the height H of water at which the rectangular hinged gate will just…Water Resources · 1 min read

Solved numericalA cylinder, 2m in diameter and 3m long weighing 3KN rests on the floor of the tank. It has water to a depth of…Water Resources · 3 min read

Solved numericalFind the magnitude and direction of the resultant pressure force on a curved face of a dam which is shaped acc…Water Resources · 2 min read

Solved numericalFind the weight of the cylinder (dia. =2m) per m length if it supports water and oil (sp gr = 0.82) as shown i…Water Resources · 2 min read

Solved numericalCalculate the pressure force on the curved surface ABCD as shown in the figure below. AB is a quadrant of radi…Water Resources · 2 min read

Solved numericalFind the net horizontal and vertical forces acting on the surface ABCDEF of width 5m as shown in the figure be…Water Resources · 2 min read

Solved numericalEach gate of a lock is 6m high and is supported by two hinges placed on the top and the bottom. When the gates…Water Resources · 2 min read

Solved numericalThe tank whose cross section is shown in fig. is 1.2m long and full of water under pressure. Find the componen…Water Resources · 2 min read

Solved numericalFind the horizontal and vertical forces per m of width on the tainter gate shown in the figure.Water Resources · 2 min read

Solved numericalThe 0.9m diameter cylinder in the fig. is 7m long and rests in static equilibrium against a frictionless wall…Water Resources · 1 min read

Solved numericalThe 1m diameter log (sp gr = 0.82) divides two shallow ponds as shown in the fig. Compute the net horizontal a…Water Resources · 2 min read

Solved numericalThe cylinder in the fig. is 1.5m long and its radius is 1.25m. Compute the horizontal and vertical components…Water Resources · 2 min read