Find the acceleration of an open cylinder with 5 m diameter and holding 6 m of water if the force acting on the - sides is 90 kN. a. -8.81 m/s c. -6.86 m/s b. -9.25 m/s d. -8.75m/s
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- A 1.5 m diameter open vessel, 2m high is filled with oil s.g= 0.85 at a depth of 1.6m and rotated at 47 rpm. a. what is the resulting depth of liquid at the center of the vessel? b. what angular speed should be imposed on the vessel such that the liquid touches the bottom surface of the vessel at the center? c. What angular speed should be imposed on the vessel such that there is no liquid 0.47m from the v ertical axis of the vessel?The scow is 40 ft long, 20 ft wide, and 8 ft deep. It has a draft of 5 ft when floating in an upright position. The center of gravity of the scow is on the axis of symmetry, 1 ft above the water surface. Compute (a)the initial metacentric height and (b) the righting moment in fresh water when the angle of heel ? is 10°.an open rectangular tank 3m long and 2m wide if filled with water to a depth of 1.5m. find the slope of the water surface when the tank moves with an acceleration of 5 m/s^2 up a 30 degrees inclined plane
- 12. The wind speed at 10 ft above the ground is 20 mph. Plot the probable velocity profile to a height of 500 ft.A jet is issued from the side of a tank under a constant head asshown in the figure. The side of the tank has an inclination of 1H:1V.The total depth of water in the tank is h1 = 6.7m and the orifice islocated at h2 = 3.7m above the bottom of the tank. The the horizontalfloor surface is at h3 = 1.2m below the bottom of the tank. If Cv = 1.0and neglecting air resistance, then Determine the maximum height (y) to which the jet will rise abovethe orifice.Hydraulic gradient = 0.75 Lenght of H2 = 2.4m Critical hydraulic gradient Icr= 1.064
- A uniform ladder 5 m long and weighing 80N rests against on a vertical wall at B and one end at A (on the ground.) The angle friction at all contact surfaces is 21.8°. Fiind the smallest angle at which ladder can be inclined with the horizontal before it is on its verge of slipping.A flatboat hull 9m wide by 15m long by 3.6m high has a draft in seawater (s.g.=1.03) of 2.4m. Its center of gravity is 2.7m above the bottom. Determine the initial metacentric height (MG in upright position). Determine the righting or overturning moment (whether the flatboat is stable or unstable) when it tilts until one side is just at the point of submergence.If block B has a leftward velocity of 0.82 m/s, determine the velocity of cylinder A (positive if down, negative if up).
- a closed rectangular tank 4m long and 2.5 wide and 2m high is filled with water to. depth of 1.8 m. if the allowable fprce at the rear wall of the tank is 200 kN, how fast can it be accelerated horizontallyConvert the temperature gradient dT/dz = -0.008° F/ft to temperature gradient dT/dz in (°C/100m)A 75 mm horizontal pipe of circular cross section conveying water under a pressure of 0.75bars has its diameter reduced from 75 mm to 2 mm by means of a short transition 30 mm in length. The pipe empties into the atmosphere. The discharge is 0.14m3.s-1, what is the percentage change in mean velocities? The pipe is anchored to a pillar with the anchoring having a factor of safety of 1.5. What force must the anchor withstand to achieve the above?