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Show transcribed image text A breakwater along an oceanfront is to be constructed of concrete. and the formwork for retaining the concrete while it is poured is shown. For every 8 ft of width (into the plane of the figure), the formwork has a horizontal support BC and a support DF. The stakes at points A, E, and F may be modeled as pins, and the weights of all members except the concrete may be neglected. If the concrete is modeled as a fluid with 90 lb/ft3 specific weight, determine the force supported by members BC and DF.
a 250 mm bar of 15mm x 30 mm rectangular cross-section consists of two aluminum layers which are 5 mm thick each brazed
the plank cde has a mass m15kg and is rest on a small pivot at d. a block a of mass 55 kg is resting on point c. a
a piston-cylinder device initially contains 0.6 kg of steam with a volume of 0.1 m3. the mass of the piston is such
create the main window shown here. you may use any layout manager or you may lay the components out manually.when a
Modify the design of the circuit shown in FIGURE and draw a circuit diagram to provide rotary actuation in both directions using a single direction pump
viscours fluid occupies the region 0ltzlth between two rigid boundaries z0 and zh. the lower boundary is at rest the
The two antennas are adjusted so that the direction of maximum directivity coincides with the line connecting them. Calculate the maximum directivity of the antenna.
A counterflow heat exchanger operates at steady state with negligible kinetic and potential energy effects. In one stream, liquid water enters at 108C and exits at 208C with a negligible change in pressure.
five kilograms of saturated water vapor is contained in a closed rigid tank at an initial pressure of 4 mpa. the
A novelty company was producing 220,000 items for $3.80 each. Theysold these for $6.00 each. Recently, the demand for the items has dropped to180,000 units at that $6.00 price. The company can reduce production to 180,000units. Each unit would cos..
The solid sili- con powder is at Tsi,i = 298 K, and the solid silicon sheet exits the chamber at Tsi,o = 420 K. Both the surroundings and ambient temperatures are T00 = Tsur = 298 K.
What is the amount of work required to stretch a linear spring from its rest position by an amount of 0.20m if it has a spring constant of 45 kN/m. A water pump increases the water pressure from 15 psia to 55 psia. Determine the power input required,..
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