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(a) Draw the free-body diagrams for the entire assembly (or structure) and each of its parts. neglect friction and the weights of the members unless specified otherwise. be sure to indicate all relevant dimensions. for each problem,
(b) Determine the total number of unknown forces and the total number of independent equilibrium equations.
An ocean outfall diffuser that discharges treated wastewater into the Pacific Ocean is 500m from a public beach. The wastewater contains 105 coliform bacteria per milliliter. The wastewater discharge flow rate is 0.3 m3/s.
Annual rainfall over the watershed is 36 inches and the annual runoff from the catchment is 12 inches. Evaporation from the reservoir averages 40 inches per year. The municipal water demand equals 100 million gallons per day
A 32mm rebar with a guage length of 200mm was subjected to tension to fracture according to ASTM E-8 method. if the rebar is loaded to 390kn only ad then unloaded, what is the premantnt change in length.
Find the time for one complete cycle of this motion if the spring constant is 21 N/m. (Assume that once the pendulum ball hits the spring there is no effect due to the vertical movement of the ball.)
what is the maximum weight of the crate that the system can support? What is the angle theta required for equilibrium?
At the reference temperature, three identical rods of length L form a pin jointed truss in the shape of an equilateral triangle, ABC. Determine the angle theta as a function of delta T, the temperature increase of the rod AB.
suppose you apply a force of 14.4 N to a spring and it stretches 2.4 cm. what is the spring constant?
a town is installing a new 10 main to carry drinking water. the onlynbspsection remaining to be installed is a segment
The velocity distribution for the flow of oil (SAE 20W) at 150 degrees between two plates is given by y(y-4) mm/s, where y is measured in mm and the space between the plates is 4mm. Determine the shear stress at each wall and the maximum shear str..
Determine the diameter of glass tubing that is necessary for the capillary rise to be less than 0.5 mm. Assume the fluid is water with surface tension equal to 0.0728 N/m and specific weight equal to 9800 N/m3
A spherical pressurevessel of 1.2m outside diameter is to be fabricated from a steelhaving an ultimate stress of σU450 MPa. Knowing that a factor of safetyof 4.0 is desired and that the gage pressure may reach 3 MPa,
A gas is compressed at a constant pressure of 0.800 atm from 9.00L tp 2.00L. in the process, 400J of energy leave the gas by heat. (a) What is the work done on the gas? (b) What is the change in it internal energy?
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