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A piston-cylinder device contains 3 kg of saturated water vapor initially at 120 degrees Celsius. Heat transfer occurs at constant pressure and the volume increases to 5 times the original volume. Neglect potential and kinetic energy. Determine the amount of heat transferred.
calculate the pressure drop through the tubes for each selection. Recommend a final design that specidies water-flow rate, tube size, number of tubes, and tube length. Comment on your selection.
Modify the design of the circuit shown in FIGURE and draw a circuit diagram to provide rotary actuation in both directions using a single direction pump
a stone is thrown vertically upward from a point on a bridge located 40m above the water. knowing that it strikes the
For a steel with the following properties: UTS = 110 ksi, YS = 85 ksi, E = 30x10^6 psi, % elongation 18%, % reduction in aria 38%. If a rectangular bar, 2” x 4” and 16” long is made of steel and subjected to a 560,000-pound load, determine how much i..
the particle a is mounted on a light rod pivoted at o and therefore is constrained to move in a circular arc of radius
A 15.9-kg aluminium block initially at 197 C is brought into contact with a 17-kg block of iron at 92 C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.
1. Natural gas and 100% excess air enter the combustion chamber of the Capstone micro-gas turbine at 400 kPa and 452 °C.
consider a piston-cylinder assembly containing 0.14 kg of air initially at a pressure of 350 kpa. heat is added during
refrigerant gas r-134 at 500k and 70 degrees c enters an air-cooled condenser heat exchanger and leaves the condenser
the automobile shown has 1200kg mass with center of gravity at point g and all wheel have the same 0.34m radius if the
a long slab is heated to 100degreec on both sides and then exposed to a focused stream of cold air on the top edge -
A 1.5 hP pump operating at steady state pumps water 100 ft up at a mass flow rate of 20,000 lb/hr. Assuming no change in the temperature of the water, determine the rate of heat transfer between the pump and the surroundings in Btu/hr. (g = 32 ft/s2)
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