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Consider a given mass of water as a thermal capacitor. Sketch the constitutive law for this element for a range of temperatures including the freezing point. Indicate the effect of the latent heat of freezing or melting.
a tank has two rooms separated by a membrane. room a has 1 kg air and volume 0.5 m3 room b has 0.75 m3 air with density
A 3 in. diameter low strength, stainless steel cylindrical part is to be turned on a lathe at six hundred rpm. With a depth of cut of .3 inches and a feed of .025 in/rev. what should be the minimum horsepower of the lathe?
Data for steady-state operation of a vapor-compression refrigeration cycle with propane as the working fluid are given in the table below. The states are numbered as in Fig. 10.3. The mass flow rate of refrigerant is 8.42 lb/min. Heat transfer fro..
Discuss the advantages and disadvantages of these two arrangements (resolver and pulse tachometer) in this particular application.
A centrifugal fan equipped with damper control has the damper wide open at full flow. The damper is partly closed to reduce flow to 80 percent of full load. Estimate the changes, in percent, in static pressure, and the horsepower requirement.
a rigid 2-ft3 vessel contains water originally at 150of and 5.07 percent quality. the water is then heated until its
Water in a vertical piston cylinder is heated at constant pressure of 10 bar. It is initially at 179.9 0C and has a specific volume of 0.1 m3/kg and is heated to a final specific volume of 0.248 m3/kg. Changes in kinetic and potential energies are ze..
A certain fluid at 10 bar is contained in a cylinder behind a piston, the initial volume being 0.05 m3. Calculate the work done by the fluid when it expands reversibly,
Consider a simply supported beam of length 50 ft subjected to a uniformly distributed downward load of 10 kips/ft from x=10 ft to x=40 ft and concentrated downward loads of 100 kips at x=10 ft and x=40 ft. Determine the shear and moment diagrams from..
a rigid vessel contains saturated water mixture at 1 atm. find the liquid by volume such that the water will pass
Determine the velocity of the block just after the projectile emerges. How long does the block slide on the rough surface, after the projectile emerges, before it comes to rest again? The coefficient of kinetic friction between the surface and the..
Infinite bandwidth multiple-access channel. Find the capacity region for the Gaussian multiple-access channel with infinite bandwidth. Argue that all senders can send at their individual capacities (i.e., infinite bandwidth eliminates interference..
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