Discipline

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 18Boundary layer theory 24Buoyancy and floatation 31Flow measurement 28Fluid Dynamics 24Fluid Kinematics 16Hydrostatic Forces on Surfaces 62Relative equilibrium 22
Solved numericalWhat would the pressure in kN/m2 be if the equivalent head is measured as 400mm of (a) mercury (sp gr 13.6) (b…Water Resources · 1 min read
Solved numericalA cylinder contains a fluid at a gauge pressure of 360 KN/m2. Express this pressure in terms of a head of (a)…Water Resources · 1 min read
Solved numericalThrough a narrow gap of height h, a thin plate of large extent is pulled at a velocity V. On one side of the p…Water Resources · 1 min read
Solved numericalDistilled water stands in a glass tube of 10mm diameter at a height of 25mm. What is the true static height? T…Water Resources · 1 min read
Solved numericalA disk of radius R rotates at an angular velocity ω inside an oil bath of viscosity μ. Assuming a linear veloc…Water Resources · 2 min read
Solved numericalA 120mm circular disc rotates on a table separated by an oil of film of 2mm thickness. Find the viscosity of t…Water Resources · 1 min read
Solved numericalA fluid of absolute viscosity of 0.045 Pa-s and sp gr of 0.91 flows over a flat plate. The velocity of fluid a…Water Resources · 1 min read
Solved numericalThree cylindrical tubes of 0.5m length are placed co-axially and the central tube is rotated at 5 rpm applying…Water Resources · 1 min read
Solved numericalThe tip of a glass tube with an internal diameter of 2mm is immersed to a depth of 1.5cm into a liquid with a…Water Resources · 1 min read
Solved numericalThe surface tension of water in contact with air is 0.0725 N/m. The pressure outside the droplet of water with…Water Resources · 1 min read
Solved numericalA Newtonian fluid fills the gap between a shaft and a concentric sleeve. When a force of 780N is applied to th…Water Resources · 1 min read
Solved numericalA flat plate 0.3m2 in area moves edgewise through oil between large fixed parallels 10cm apart. If the velocit…Water Resources · 1 min read
Solved numericalA cylinder of 12cm radius rotates concentrically inside a fixed cylinder of 12.6cm radius. Both cylinders are…Water Resources · 1 min read
Solved numericalA shaft 75mm in diameter is fixed axially and rotated inside a sleeve of diameter 75.2mm at 200rpm. The length…Water Resources · 1 min read
Solved numericalA shaft 70mm in diameter is being pushed at a speed of 0.4m/s through a bearing sleeve 70.2mm in diameter and…Water Resources · 2 min read
Solved numericalA square block weighing 1.15KN and 250mm on an edge slides down an incline on a film of oil 6µm thick. Assumin…Water Resources · 1 min read
Solved numericalA piston of weight 90N slides in a lubricated pipe. The clearance between piston and pipe is 0.025mm. If the p…Water Resources · 1 min read
Solved numericalA piston is moving through a cylinder at a speed of 5.7m/s. The film of oil separating the piston from the cyl…Water Resources · 1 min read