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The elastic modulus of diamond is measured by applying a force parallel to the body diagonal of the unit cell and measuring the displacement. A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
You have a bevel gear and shaft and you have to find the maximum load that can be applied on it.
A first class lever in static equilibruim has a 50 lb resistance force and 15 lb effort force. The lever's effort force is located 4 ft from the fulcrum. What is the actual mechanical advantage of the system?
consider a plane wall 100mm thick and of thermal conductivity 100 w/m .k seady state conditions are known to exist with T1 = 400 k T2= 600 K. determine the heat flux and the temperature gradient off the coordinate systems.
A spherical balloon inflated sos that the volume is increasing at the rate of cubic meter/min. At what rate is the diameter increasing when the diameter is 12 m?
Calculate the volume of water that is available for power generation at the extremes of spring and nap tides? If during the time the turbines are running, the level of the water in the bay is 2m higher that that in the sea, what is the potential ene..
Evaluate the reduction in pump BHP required by heating the oil from 50° F to 100° F. Suppose efficiency of 80% (HP)
Calculate the crack length after cycles and subjected to a cyclic stress normal to the crack
Now suppose the mean time to failure (mf) on the expose machine is 60 hours and the repair time is exponentially distributed with a mean of 2 hours (mr). What are the effective mean and CV of the process time for a job of 60 panels?
A vapor-compression heat pump system uses R-134a as the working fluid. The refrigerant enters the compressor at 0.24 Mpa, 0 degrees Celsius, with a volumetric flow rate of 0.6m^3/min. The compression process is adiabatic to 0.9 MPa, 60 degrees Cel..
Ideal vapor-compression refrigeration cycle, An ideal vapor-compression refrigeration cycle, with ammonia as the working fluid, has an evaporator temperature of -20c and a condenser pressure of 12 bar
draw a free body diagram for each of the two situations. use the "radial" Newton's law to find the tension in the string at each of these situations.
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
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