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A material has a strength coefficients K = 100, 000 psi Assuming that a tensile-test specimen made from this material begins to neck at a true strain of 0.17, show that the ultimate tensile strength of this material is 62,400 psi.
a cylindrical tank with hemispherical ends is required to hold 150 psi of pressurized air at room temperature. the
What type(s) of bonding would be expected for each of the following materials? Diamond, Zirconium Oxide, Argon Gas, Rubber, Bronze (a mixture of copper and tin)
a compressor is designed to run at 4000 rpm when ambient conditions are 101 kpa and 20c. on the day when the
consider 5 kg of air initially at 101.3 kpa and 38 c. heat is transferred to the air until the temperature reaches 260
The Young's modulus of steel is higher than that of Al (29.0 x 106 psi vs. 10.5 x 106 psi). However, for many applications such as automotive and aerospace a more important quantity is the "specific modulus," or modulus/density. Determine the speci..
five kilograms of water initially at 4000 kpa 200 degrres are contained in a piston-cylinder device. a variable force
Determine (a) the resultant couple acting on the plate if a = 8 in., (b) the value of a so that the resultant couple acting on the plate is 480 lb•in. clockwise.
a construction crew lifts about 560 lb of material serveral times during the day from a flatbed truck to a 32 foot
On Earth, an astronaut weighs 145 pounds. Compute a) this astronaut's weight (in SI units) on the surface of Mars where the gravitational acceleration is 12.2 ft/s^2, b) her mass on Mars in British units, c) her mass on Mars in SI units, d) her mass ..
consider a steam power plant that operates on a simple ideal rankine cycle and has a net power output of 45mw. steam
a well-insulated turbine operating at a steady state develops 23 mw of power from a steam flow rate of 40 kgs. the
A heat pump is used to maintain a house at a constant temperature of 23 °C. The house is losing heat to the outside air through the walls and the windows at a rate of 60,000 kJ/hr while the energy generated within the house from people
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