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A closed, rigid tank whose volume is 1.5 m3 contains refrigerant 134a, initially a two phase lipuid-vapor mixture at 10C. the refrigerant is heated to a final state where temperature is 50C and quality is 100%. locate the initial and final states on a sketch of the T-v digram. determine the mass of vapor present at the initial and final state, each in kg.
If the curve were not banked, what would be the minimum coefficient of friction between tires and road that would keep traffic from skidding out of the turn when traveling at 85 km/h?
Determining the largest couple that can be applied to a beam in pure bending. A beam of cross section shown is extruded from an aluminum alloy for which σy = 310 MPa and σu = 480 MPa.
what type of feedback data should we be collecting; in order to make sure that our MPS data, our MRP data, our Aggregate Planning, etc. are all correct?
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.
A balloon behaves so the pressure is P = C2V1/3, C2 = 100 kPa/m. The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air.
how long is required for half the ice cube to melt? State clearly all the assumptions you make in formulating your model of this problem.
Determine the reactions of simply supported beam to both a concentrated and uniform load. A beam with a span of 21 ft is simply supported at the left-hand end and fixed at the right-hand end.
How much work(J)is done in a natural rubber filament when strains slowly and non reversely to a= 2?
the reynolds number of a fluid flowing through a 5-cm-diameter, square-edged orifice plate meter within a 15-cm pipe is 250,000. Find the discharge coefficient for flange taps.
Define your system to be the gas in the cylinder, and calculate the work transferred from the surroundings to the system from this expansion. Note that the pressure will change as the expansion takes place.
why is the correct tightening of friction grip bolts important?
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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