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A 12' cantilever beam has a 4000 lb load at the end of the beam. Draw the shear force and bending moment diagrams and calculate the maximum bending moment.
A steel rod with a diameter of 0.625" is loaded in tension with 12000 lb load. In the unloaded condition, the rod is 240" long. Calculate the stress and the elongation of the rod.
The african elephant has developed the pinna or external ear that functions as a radiator-convector. The pinna can be modeled as a flat plat with air flow over it.
Saturated water vapor in a closed sysytem is condensed by cooling it at constant pressure to a saturated liquid at 40KPa. Determine the heat transferred and the work done during this process, in KJ/
The water is then cooled until the piston is on the lower stops and the pressure of the water in the cylinder is 100kPa. Find the initial specific volume and specific internal energy of the water i
A cattle watering fountain has a free water surface with a size equal 0.6m x 0.3m, with the longer side being parallel to the prevailing wind. Wind at -23 C is blowing over the surface at 1 m/s.
At station 2, which is downstream of station 1, the pressure is 0.1 atm. What is the Mach number at station 2? What is the velocity of the gas at station 2? What is the area of the nozzle at station
The water is then heated in a constant volume process until its temperature is 300 degrees celcius. Find the initial specific volume, and specific internal energy of the water in the container.
A load of 500 pounds is placed on a cylinder of 1040 carbon steel with a 2 inch radius. Calculate the stress (in psi). Show all your work. Show all of your work.
A steam power plant operates on a simple ideal Rankine cycle between the pressure limits of 3MPa and 50kPa. The temperature of the steam at the turbine inlet is 400'C and the mass flow rate of steam
A block weighing 100 lbf sits on a 20º inclined surface. The coefficients of static and dynamic (kinetic) friction are 0.5 and 0.3 respectively. A force F = 10 t lbf is applied where t is in se
Find the complete initial and final states (T, P, v, h, u, and s°) for the following ideal gas process: air at 260 F and 15 psi goes isotropically to 2000°R.
A rugged instrument used frequently for monitoring gas velocity in smoke stacks consists of two open tubes oriented to the flow direction as shown and connected to a manometer. The pressure coeffici
Discuss the similarities and differences between Coulomb friction/ damping with the damper used in SDOf spring-mass-damper system with two fixed ends.
A 0.4 m3 rigid vessel initially contains a saturated liquid-vapor mixture of water at 100 C. The water is heated until it reaches its critical point.
The water behind Hoover Dam in Nevada is 206m higher than the Colorado River below it. At what rate must water pass through the hydraulic turbines of this dam to produce 100 MW of power if the turb
Assuming both the pumps and the turbine have isentropic efficiencies of 86 percent, determine the rate of heat transfer to the boiler and the power output of the cogeneration plant and the utilizati
Steam is cooled from 3000 kPa and 500 C with spring-loaded piston such that P=676.2 kPa+20000(kPa*kg/m^3)*v until the steam has a specific volume of 0..1619 m^3/kg.
The piston is initially resting on the stops . The cylinder contains carbon dioxide at 50 psia and 200 F and takes up 1 ft^3. The piston will float when the pressure is 100 psia.
Determine the magnitude of the acceleration of the child relative to the rail at that instant. Give answer to four significant figures.
A vapor initially at 50 psia and 100 F (State 1) is contained within a piston- cylinder device. The refrigerant is cooled at constant volume until its temperature reaches 25 F (State 2) and is then
The diameter of one pipe is twice the diameter of the second pipe. With liquid flowing in the pipes, the velocity in the large pipe is 4 m/s. What is the velocity in the smaller pipe?
A stop block, s, prevents a crate from sliding down a theta = 21.0 incline. A tensile force F=(Fo t)N acts on the crate parallel to the incline, where Fo = 295 N/s.
A triangular gate ABC with the shape of an isosceles triangle and the vertex at point A and the base BC = 6 m, What is the depth of the center of pressure of this gate?
Steam at 320oC flows in a stainless steel pipe (k = 15W/m. oC) whose inner and out diameters are 5 cm and 5.5 cm, respectively. The pine is covered with 3-cm-thick glass wool insulation (k = 0.038W/