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A vertical piston-cylinder device initially contains 0.25 m3 of air at 600 kPa and 300°C. A valve connected to the cylinder is now opened, and air is allowed to escape until three-quarters of the mass leaves the cylinder at which point the volume is 0.05 m3. Determine the final temperature in the cylinder, the boundary work during the process and the heat transfer.
Find the final state inside the tank, A tank contains 2kg of nitrogen at 10K with a quality of 50%.Through a volume flow meter and valve, 0.5kg is now removed while the temperature remains constant.
However, even when the cylinder is pressurized, the torque T is still sufficient to keep the seam closed so that no water leaks out. Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's ci..
find the natural frequencies of oscillation of the double-pendulum below where m1=m2=m, and L1=L2=L.
A steel alloy to be used for a spring application must have a modulus of resilience of at least 2.07 MPa (300 psi). What must be its minimum yield strength?
consider 6.0 kg of austenite containing 0.45 wt c cooled to below 727 degrees celcius 1341 degrees farenheit.a what is
Find the Temperature of the Refrigerant, A closed vessel with a volume of 2 ft^3 contains 5 lb of Refrigerant 134a. A pressure sensor in the tank wall reads 71.39 lbf/in.^2 (gage).
An unsuited free diver can work in a pressure of up to 490KN/m^2 and a suited diver in pressure of up to 1815 KN/m^2. Calculate the maximum depths at which they might work in sea-water which has a specific gravity of 1.03.
Consider the 2.0micrometer long GaAs device where the E-field is 5kV/cm and Mn*=.067M0. Calculate the transit time of an electron through the device if the mobility is 8000 cm^2V-s.
determine the work and heat transfer, each in kJ. sketch the process on p-v and T-s coordinates. Associate the work and heat transfer with areas on these diagrams.
If the instrument weighs 85N, find the necessary static deflection of the isolator.
Derive the operational transfer function and the sinusoidal transfer function for an RC high-pass filter. Plot the step response and the complete frequency response (magnitude and phase).
a ball is shot vertically into the air 50 m/s 108m from the ground. 6 seconds later, another ball is shot vertically into the air 20 m/s 58m from the ground. Find the distance where they meet in the air from the ground.
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