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A machine of mass 200 kg is driven harmonically by a 100-N force at 10 rad/s.
The stiffness of the machine is 20,000 N/m.
Design a broadband vibration absorber [i.e., equation (5.37)] to limit the machine's motion as much as possible over the frequency range 8 to 12 rad/s.
Note that other physical constraints limit the added absorber mass to be, at most, 50 kg.
an engine operates on an air standard otto cycle with the compression ratio of 91. the pressure and temperature at the
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You are given a 10-mH inductor and 2 capacitors,of 5.0 and 2.0-MF capacitance .list the resonant frequencies that can be generated by connecting these element in various combinations
superheated water vapor enters and insulated turbine operating at steady state at 20 bar and 400 degc and exits at 1.5
steam enters a nozzle operating at steady state at 20 bar temperature 280c with a velocity of 80 ms. the exit pressure
determine the pressure exerted on a diver at 30 m below the free surface of the sea. assume a barometric pressure of
1. A cylinder of 120-mm diameter at 1000 K is quenched in saturated water at 1 atm. Describe the quenching process and estimate the maximum heat removal rate per unit length during the process.
Beam deflection at corner through centroid, Sometimes the term centroid throws me for a loop. So, how would I set this problem up?
An insulated vessel is divided into two compartments connected by a valve. Initially, one compartment contains steam at 10 bar and 500ºC and the other is evacuated. The vale is opened and the steam is allowed to fill the entire volume, achieving a fi..
Two standard gears have a diametral pitch of 12 and a velocity ratio of 7.0. The center distance is 8 in. Determine the number of teeth on each gear.
Calculate the vacancy concentration in aluminum at 50%, 70%, and 90% of TMP=923 K. Gvf = 0.66 eV, and k = 8.62 x 10-5 eV/K. Calculate ln (nv/N) and 1/T, and plot on a linear scale (hint: should be a straight line).
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