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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 10 lb uniform thin bar bc of length l10 ft is pinned at b to the edge of a 18 lb uniform disk of radius r 3.2 ft.
a solid cylinder 100 mm in diameter generates heat at a uniform rate of 7 x 106 wm3. the thermal conductivity of the
in a tensile test for an alloy used for ballistic-missile launch tubes on boomer submarines the yield strength was
Assume a diffusion coefficient of 1 × 10-8 m2/s, that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained.
a two cylinder engine with cranks at right angles developes 75 kw at mean speed 400 revmin.the coefficient of speed
A water brake is used to measure the power output of an engine, ?W . The water mass flow rate through the brake is m? = 7 kg s?1. Water temperatures at the brake inlet and outlet are T1 = 290K and T2 = 305K, respectively. The heat loss from the engin..
a retarding force is applied to a body moving in a straight line so that during an interval of its motion its speed u
a titanium alloy with a modulus of elasticity of 16 x 106 psi is used to make a 1000 lb part for a manned space
In a cryogenic application, carbon monoxide (CO) gas undergoes a constant-pressure process at 1000 lbf/in^2 in a piston-cylinder assembly from T1 = -100F to T2 = -30F. Determine the work for the process, in btu per lb of carbon monoxide present.
Starting from the energy equation and using the one-dimensional heat conduction derivation as an example
you take a tumble while water skiing. the handle attached to the tow rope fallsbeneath the water and remains
Evaluate the shearing and normal stresses at points H and J located at the ends of the horizontal and vertical diameters of transverse section located 2.5 in. to the left of bearing B.
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