WATER RESOURCES ENGINEERING

3rd Edition

ISBN: 9781119490579

Author: Mays

Publisher: WILEY

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Question

Chapter 3, Problem 3.6.2P

To determine

The depth of the oil and the moments of the pressure forces about the base of the plate.

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Students have asked these similar questions

The tank shown in the figure is 3 m wide into
the paper. Neglect atmospheric pressure. Use
?????? = 9.79 kN/m³. Determine the following:
A. vertical
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B. Resultant hydrostatic force acting on the quarter circle
panel AB in kN
C. Angle that the
resultant hydrostatic force make with the
horizontal in degrees.

Figure shows a semi-conical buttress. Calculate the total hydrostatic force acting on the surface of this semi-conical buttress. show the free body diagram.

A horizontal bend in a pipeline conveying 1m^3/s of water gradually reduces from 600mm to 300mm in diameter and deflects the flow through an angle of 60 degrees. At the larger end, the pressure is 170kN/m^2. Determine the magnitude of the force exerted on the bend.

# Chapter 3 Solutions

WATER RESOURCES ENGINEERING

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Similar questions

Determine the pressure difference between locations M and N in the figure below

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An open tank 3m by 3m in horizontal section weighs 4 kN and contains water to a depth of 1m. It is acted by an unbalanced force of 18 kN parallel to the pair of sides.
a) Determine the acceleration of the tank.
b) What must be the height of the tank so that no water will spill out?
c) If the acceleration is increase by 4m/s2 , how much water will spill out?

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The pressure distribution over the base of a concrete (S =2.4) dam varies linearly, as shown in figure ,producing an uplift. Will the dam topple over (sum moments of all forces about the bottom, right-handcorner)? Use:(a) H =45 m(b) H = 60 m(c) H = 75 m

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Determine the vertical distance of the center of gravity of the curved gate from the water surface shown in the figure. The curved gate is 5.7 m long. The values of the vertical component (Fv) and the resultant force. (F) acting on the gate are 300 kN and 400 kN
asap

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Situation 1– Two spheres 1.20m in diameter are connected by a means of a short rope. One weighs 4kN, while the other weighs 12kN. When placed in water,
1. Determine The buoyant force acting on the heavier sphere in kN
2. The tension in the rope in kN
3. The depth of submergence of the 4kN sphere in meter.

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A 65 cm cube weighing 2.5KN is lowered in a tank containing 1.50 m of water below 1.20 m of oil of specific gravity 0.82. If the sides of the cube remain vertical:
a. How much of the cube projects above the oil-water interface?
b. What is the total hydrostatic force acting on the side of the cube?

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A 2.8m square plate is completely immersed under water in a vertical position such that the two edges of the square are horizontal. It is immersed such that the center of pressure is located 8cm below its center of gravity. Determine the resultant hydrostatic force on one side of the plate.

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Determine the total pressure in kN on a plane rectangular surface of 1 m wide and 3 m deep when its upper edge is horizontal and coincides with water surface.
a.
121.45
b.
103.0
c.
59.34
d.
44.14

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A rectangular plane, 1.2 m by 1.8 m is submerged in water and makes an angle of 30° with the horizontal, the 1.2 m sides being horizontal.
a.) If the top edge of the plane is at the free surface, what would be the shape of the pressure distribution acting on the plane?
b.) What is the minimum pressure acting on the plane in kPa?
c.) What is the maximum pressure acting on the plane in kPa?
d.) Determine the magnitude of hydrostatic force acting on either side of the plane in KN. Support your computations with correctly drawn and labeled pressure prism diagrams.

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A square plate having one of its side equal to 3 meters is immersed in water surface in a vertical position such that the two edges of the square would be horizontal in order that the center of pressure shall be 8 cm from the center of gravity.
How far below the water surface should the upper plate be submerged?
What is the distance of the center of pressure from the water surface?
Determine the hydrostatic force acting on one plate at this position.

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Please provide an explanation for every solution and solve in detailed. Problem: In the figure, x=25cm initially. If the pressure at m is increase by 35 KPa while maintaining the pressure at n constant. Calculate the new value of x.

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A structure is attached to the ocean floor as shown in the figure below. A 2-m-diameter circular gate/hatch is set at a 30-degree incline on the structure. (Part a) Determine the magnitude (in kN) of the hydrostatic force of the seawater (specific weight = 10.1 kN/m3) on the circular hatch. (Part b) Determine the location of the force as an inclined distance from the free surface, ?? (report the location to three decimal places).

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