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a hydraulic cylinder must be able to exert a force of 45.5 kn. The piston diameter is 65 mm. Compute the required pressure in the oil
a centrifuge bowl with 250mm internal diameter is turning at 4000 rmin. it contains a layer of aniline 50mm thick. if
communication satellites are placed in a geosynchronous orbitthat is in a circular orbit such that they complete one
using the mechanical energy balance estimate the time required for the water level to drop from an upper piece of tape
consider steady heat transfer through a 5m by 6m brick wall of a house of thickness 30cm. on a day when the temperature
Briefly discuss the implications of the following statements with respect to introducing current quality thinking into a classroom- or ...Do you agree with the statement. Why
The steel rod ABC is attached to rigid supports and is unstressed at a temperature of 25°C. The steel is assumed elastoplastic with E = 200 GPa and σY = 250 MPa. The temperature of both portions of the rod is then raised to 1508C.
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfe..
It is required to design an electromechanical system to achieve a natural frequency of 1000 Hz and a Q factor of 1200. Determine the damping factor and the bandwidth of the system.
How large a moment is required at the free end of a cantilever beam to provide a slope there of θ(x = L) = 0.036 in/in?
Ammonia vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 10 bars. The work is +16.5kJ/kg. Changes in kinetic and potential energy are negligible. Determine (a) the final temperature of the ammonia in d..
When 1 mole of argon gas is bubbled through a large volume of a Fe-Mn melt of XMn = 0.5 at 1863K evaporation of Mn into the Ar causes the mass of the melt to decrease by 1.50g. The gas leaves the melt at a pressure of 1 atm. Calculate the activity co..
0.12 kg of argon fills a 0.038 m3 weight-piston-cylinder device at 445 kpa. the piston is now moved by decreasing the
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