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Oil (specific gravity, 0.8) flows through a constant-diameter pipe-(pipe diameter, D=3 inches) that goes through a bend of angle, θ=45° The flow rate in the pipe is 0.12 ft3 /s. The pressure in the pipe atAandBis the same, namely, 11 psi . The flow occurs in the horizontal plane. It may be assumed that the velocity at any cross-section is constant over the entire cross-section.
1.Determine the x component of force the flow exerts on the elbow (the sign of your result should indicate the direction, so that a positve value indicates that the force is directed in the positive x-direction).
2.Determine the y component of the force the flow exerts on the elbow (the sign of your result should indicate the direction, so that a positve value indicates that the force is in the positive y-direction).
Lift coefficient (Cl) and lift (L), An airfoil of surface area 1ft squared is tested for lift (L) in a wind tunnel. At an angle of attack of 5 degrees with standard air of density 0.0024 slugs/ft cube at a speed of 100 ft/sec
a cylindrical tank with hemispherical ends is required to hold 150 psi of pressurized air at room temperature. the
a pot containing 1.0 liters of water at 20 degc is placed on the stove and heat is added to the water at a rate of 500
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Assume that the MHC-PMS is being developed using an object-oriented approach. Draw a use case diagram showing at least six possible use cases for this system.
find the entropy in a throttling process per unit mass for ammonia. take the inlet state as specified as saturated
A thin walled tube with closed ends has an inside radius of 80mm and a wall thickness of 6 mm. It is subjected to an internal pressure of 20 MPa, a torque of 60 kN*m, and an axial compressive force of 200 kN. Determine the maximum normal stress and t..
In 1654 Otto von Guericke, Burgermeister of Magdeburg and inventor of the air pump, gave a demonstration before the Imperial Diet in which two teams of horses could not pull apart two evacuated brass hemispheres. (a) Show that the force F required to..
ten kg of water is in a closed container with a volume of 0.73 m3 and a temperature of 1000 degc. determine the amount
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