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A 3105 aluminum plate previously cold worked 20% is 2-in. thick. It is then cold worked further to 1.3 in. Calculate the total percent cold work and determine the final properties of the plate. Note 3105 designates a special composition of aluminum alloy. (See Figure 8-21.)
A car engine burns 5 kg fuel (equivalent to addition of QH) at 1500 K and rejects energy to the radiator and the exhaust at an average temperature of 750 K. If the fuel provides 40 000 kJ/kg what is the maximum amount of work the engine can provid..
a cannon ball having a weight of 20lb is fired upward in the vertical direction with a muzzle velocity of 1200 fts.
a tensile force of 8 kn is applied to the ends of a solid bar of 7.35 mm diameter. under load the diameter reduces to
a gas within a piston-cylinder assembly undergoes a thermodynamic cylce consisting of three processes. process 1-2
the old style heating uses steam or hot water in an radiator to heat a room in winter time. a radiator can be
Determine the maximum constant speed a race car can have if the acceleration of the car cannot exceed7.5 m>s2 while rounding a track having a radius of curvature of 200 m.
In a DC planar magnetron sputtering system at 1000 V, the cathodeanode spacing is 10 cm. What magnetic field should be applied to trap electrons within 0.5 cm of the target?
determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to
Helium gas is contained in a rigid vessel of 0.5 m3 at 500 kPa. The gas is agitated violently by a stirrer that transfers 250 kJ of work to the gas. Assuming that the system undergoes an adiabatic process, determine the final pressure of the gas. Ass..
air discharges downward in a pipe and then outward between the parallel disks. assuming negligible density change in
a weather ballon is launched into the atmosphere by meteorologists. when the balloon reaches an altitude where is is
A 15.9-kg aluminium block initially at 197 C is brought into contact with a 17-kg block of iron at 92 C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.
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