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Argon gas enters a constant cross-sectional-area duct at Ma1= 0.2, P1= 320 kPa, and T1 =400 K at a rate of 0.8 kg/s. Disregarding frictional losses, determine the highest rate of heat transfer to the argon without reducing the mass flow rate.
A torque of magnitude T = 1000Nm is applied at D as shown. Knowing that the diameter of shaft AB is 56 mm and that the diameter of shaft CD is 42 mm, determine the maximum shearing stress in (a) shaft AB, (b) shaft CD.
Methane is compressed in a piston-cylinder device from initial pressure of 110 kPa and an initial temperature of 25 oC to a final pressure of 1,00 MPa. The compression process is polytropic with n = 1 .10.
a cantilevered W12X136 (ASTM-A36) steel member beam is 18 feet in length. if a concentrated load of 12 kips is applied at a point 6.25 feet from the beam's free end, use the superposition technique
Flow occur throught a sand-filled pipe with a cross-sectional area of 60 cm^2. If K is 10^-3 cm/s and the gradient is 0.01, what is the discharge from the pipe ?
A long concrete retaining wall with 2.4X10^3 kg/m^3 density is used to support a soil embankment. Assuming the soil behaves as a fluid with 1.5X10^3 kg/m^3 density, determine the required coefficient of friction so the wall does not slip along its ba..
The mine wants to change the hole diameter to 229 mm and needs a new drilling pattern that will not result in coarser fragmentation. For this exercise you can assume homogenous geology and no adverse effects due to geological structure.
stiglers private interest theory proposes that regulatory bodies are made up of individuals who are self-interested and
A 1.0-m rigid horizontal support is hung by two cables as shown. One cable is brass and The other cable is high-density polyethylene plastic. At room temperature (21°C), the cables measure 3.50 m vertically. When the temperature drops to 15°C
Assume the 20 percent of the annual precipitation reaches the watershed outlet as stream flow. Determine the mean stream flow rate in ac-ft/yr, sfd/yr, and square meter/second
For a CSTR, obtain the time variable effluent concentration when the decay rate is zero order. You need to obtain the defining ODE, integrate it and use the initial condition to do this. Then get the steady state solution for this case and solve it ..
You meet with a potential client to discuss a land development project. Your client wants to know the capacity (in cfs) of the existing water supply system serving the area With a 450-ft pipeline
A proposed square footing carrying a total load of 900 kips is to be constructed on a uniform thick deposit of cohesionless soil. The soil's unit weight is 135 pcf, and its angle of internal friction is 38 degrees
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