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A vertical piston-cylinder device contains a gas at a pressure of 100 kPa. The piston has a mass of 5 kg and a diameter of 12 cm. Pressure of the gas is to be increased by placing some weights on the piston. Determine the local atmospheric pressure and the mass of the weights that will double the pressure of the gas inside the cylinder.
If the bar is subjected to centric forces of magnitude P = 30 kN and knowing that EA = 70 GPa and EB = 105 GPa, determine the normal stress (a) in the aluminum layers, (b) in the brass layer.
refrigerant-134a enters the evaporator coils placed at the back of the freezer section of a household refrigerator at
If the critical resolved shear stress is 10 MPa, what is the yield strength?
Fluid is moving between two plates the top plate is moving with a velocity V, the distance between the plates is h, and the flow is completely horizontal; select the appropriate boundary condition of the viscous flow.
A steel bar AC of length 6in and a varying cross-section is loaded as shown in fig 1. The bar is supported by a pin joint at A. which is made of an aluminum pin of unknown diameter.
an air tank with a volume of 20m3 is pressurized to 10 mpa. the tank eventually reaches room temperature of 25 degree
a liquid sodium flowing a 100 kgs enters a heat exchanger at 450 c and exits at 350 c. the specific heat of sodium is
steam at 3 mpa and 400 degc is expanded to 30 kpa in an adiabatic turbine with an isentropic efficiency of 92 percent.
a piston-cylinder device containing argon gas undergoes an isothermal process at 100 c during which the pressure
Calculate spring coefficient k = P/δ and discuss the design on how much spring radius r should be changed to increase k two times
Knowing that the gage pressure inside the tank is 5 MPa, determine the maximum stress and the maximum shearing stress at point L.
consider the case of a knife whose leading edge is the z-axis and the blade covers the half plane defined by x 0.
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