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A vertical piston-cylinder assembly with 0.2 kg of water is initially a saturated vapor. The piston has a diameter of 10 cm. The cylinder is placed on a hot plate. The piston weighs 39 kg and the atmospheric pressure is 1 atm. Heating occurs at constant pressure and the water expands to a final temperature of 573 K.
Find the pressure inside the cylinder due to the piston and the ambient air.
Find the volume at state 1 and state 2.
Find the energy transfer from the system by work
Explain step by step how you would find the heat transfer. You don't actually have to
solve for the required values, but make sure you explain how you would get the required values and what equations you would need to use.
a cantilevered bar is 500 mm long with square cross section 25mm x 25 mm. three perpendicular forces are applied to its
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A power plant operates a regenerative Rankine cycle with a reheat, one closed and one open feedwater heater and has a net power output of 1.2 x 109 Btu/hr. When the steam exits the boiler it's temperature is 1000°F and its pressure is 1400psi...
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a 0.5m3 rigid tank contains refirgerant r-134a initially at 200 kpa and 40 quality. heat is now transferred untill the
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