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1.A component that is made of S-590 alloy is to be subjected to a static stress of 400 MPa at a high temperature. Using a safety factor of two based on the stress, determine the maximum temperature the component must be exposed to for it to sustain the stress for at least 1000 days.
2.A 12inx1inx3in ASTM 36 steel bar is loaded with an axial load of 90,000lbs and a transversal load of 288,000lbs (force applied perpendicular to the 1in side) The proportionality limit is 34,000psi. Compute (a) the strains in each of the transveral and longitudinal axes and (b) the total transversal dimension changes. Poisson's ratio is equal to 0.25.
You are preparing a life-cycle assessment of different transportation options for getting from your house to work (10 miles each way). The options include carpooling with three or more people, one person in a car, bicycling, or taking the bus.
Assuming that the soil layers continue much beyond 60 feet in a similar pattern (obviously no landfill) in terms of friction and bearing capacities, recommend two different solutions that could allow the shafts to transmit their loads by 1) end be..
The elastic portion of the tension stress-strain diagram for an aluminum alloy. The specimen used for the test has a gauge length of 2 in and a diameter of 0.5 in. When the applied load is 9 kips, the new diameter of the specimen is 0.49935 in.
Use slope deflection approach to find complete deflection solutions for a fixed fixed beam with concentrated force, F, distance a from left end and axial load P.
Is the system within membrane manufacturer's warranty requirement of maximum flux rate of 14 gfd? What is the annual power cost of the RO system?
If the coefficient of static friction between the cord and the fixed peg at B is fs =0.25, determine the minimum weight of the bucket that will prevent the block from sliding down the incline.
The soil undergoes shear failure and reaches critical state on this plane when the pore-water pressure is increased to 120 kPa while keeping the total normal and shear stresses constant.
The driver strikes the sign at a speed of 25 mi/h. If the student was traveling at 55 mi/h when the sign was spotted, what was the drivers associated reaction time in seconds
An electrostatic precipitator (ESP) is being designed to collect flue gas particles at a power plant. The following information has been collected: electric field intensity = 100,000 V/m, and average particle charge = 0.30 fC (1 fC = 10-15 C).
According to Archimede's principle, the buoyancy force actingon that object that is partially immersed in a fluid is equal tothe weight that is displaced by the portion of the object that issubmerged.
Find the mass of air in a closed chamber measuring 35 ft by 20 ft by 10 ft, when the pressure is 17 lb/in^2 and the temperature is 75°F, assuming air to be an ideal gas
determine the force in member AC, FH, and FG and indicate if the member is in tension or compression. List all zero force members.
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