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A crystalline grain of iron in a steel plate is situated in such a way that a tensile stress of 100 MPa (14.5 ksi) is applied along its [110] direction. a) What will be the resolved shear stress on the [11-1] direction within the {101) slip plane of this grain? b) What tensile stress will be required to produce a critical resolved shear stress of 31.1 MPa?
a steam turbine produces power w 3000 hp from a mass flux m 20000 lbhr. the steam enters at temperature t1 810.78 k
a light globe dissipates 200w as heat. it is exposed to a light breeze of air at 20c which results in a convective heat
high pressure steam steam 1 at a rate of 1000kgh initially at 3.5 mpa and 350 c is expanded in a turbine to obtain
consider a large plane wall of thickness l0.4 m thermal conductivity k 1.8 wmmiddotdegc and surface area a 30 m2. the
A pitching wedge a golfer is using gives the ball a initial angle of 50 degrees, what range of velocities (Vo) will cause the ball to land within 3 ft of the hole?
A turbine takes in 2 kg/s neon at 27C and 200 kPa with negligible velocity. The produced work is 75 kW and 30 kW of heat leaks into the turbine from the surroundings. The neon exits at 100 kPa and 230 K. Find the exit velocity of the neon.
a ball is projected from point a with a inital speed of v at an angle of 25 degrees above the x-axis. the ramp ab is at
a hydraulic system has a mechanical advantage of 4. If a smaller piston has a diameter of 5 inches what is the diameter of the larger piston?
this is concerned a little more into aerodynamics, what are the uses of wind tunnels including the importance of geometric and dynamic similarity and wind tunnel interference?
Kinetic and potential energy effects can be ignored. Evaluate the work required and the heat transfer, each in kW.
a vertical cylinder fitted with a piston contains 10 lbm of freon-12 at 60 degrees fahrenheit. heat is now transferred
a homeowner has devised a humidifier that is shown below. water is taken from the faucet and fed to a reservoir that
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