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A 1000 kg machine is mounted on four identical springs of total spring constant K and negligible damping. The machine is subjected to a harmonic external force of amplitude F = 490 N and frequency 180 rpm. Find the amplitude of the motion of machine and maximum force transmitted to the foundation, when k = 1.96 x 106 N/m.
Gas streams containing hydrogen and nitrogen in different proportions are produced on request by blending gases from two feed tanks: Tank A (hydrogen mole fraction = xA) and Tank B (hydrogen mole fraction = xB). The requests specify the desired hy..
A spherical vessel used as a reactor for producing pharmaceuticals has a 5 - mm - thick stainless steel wall (k = 17 W/m middot K) and an inner diameter of D, = 1.0 m. During production, the vessel is filled with reactants for which p = 1100 kg/m3 an..
a bar of solid circular cross section is loaded in tension by forces p. the bar has length l16in and diameter 0.50in.
a 1.5 ton crate is hoisted by three steel wires. Each wire is 1/4 in in diameter and each wire carries one-thired of the load. Determine the stress in each of the wires.
Design a single-cylinder atmospheric engine capable of lifting a mass of 1000 kg to a height of three meters. Assume reasonable values of cylinder temperature and pressure after combustion.
consider a rocket engine that burns hydrogen and oxygen. the combustion chamber temperature and pressure are 3800 k and
a series of cylindrically shaped l 25 mm d 5 mm ceramic samples are tested are testedin tension. the weibull
Air at 14.7 psia and 70 degrees Fahrenheit is compressed adiabatically by a centrifugal compressor to a pressure of 100 psia. What is the minimum temperature rise possible? Explain.
Find the terminal velocity of an 8.5-inch-diameter sphere weighing 16 lbf falling through the following fluids under the action of gravity: (a) the standard atmosphere at sea level; (b) the standard atmosphere at 10,000 ft elevation above MSL; (c) wa..
What tube diameter is required for the model if dynamic similarity is to be maintained between model and prototype?
An air-standard dual cycle has a compression ratio of 18.2 and a cut off ratio of 1.31. The pressure ratio during constant volume heat addition process is 1.5. At the beginning of the compression, P1=80 kPa, T1 = 20°C at the beginning of the cycle. U..
Consider a piston-cylinder system with an initial volume of 0.04 m3 at 200 kPa. Calculate the work being carried out to increase the volume to 0.1 m3 for each of the following processes
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