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A piston-cylinder assembly contains 1 lb of Refrigerant 134a initially as saturated vapor at 10°F. The refrigerant is compressed adiabatically to a final volume of 0.8 ft3. Determine if it is possible for the pressure of the refrigerant at the final state to be
(a) 60 lbf/in.2(b) 70 lbf/in.2
aluminum oxide al2o3 has a surface energy of 1 jm2 estimate the maximum amount of energy jg that is available for
R134a rests in a compressed fluid can at 120psia, and a specific volume of 0.38ft3/lbm. What is its temperature and quality? Half of the mass is now vented off to the atmosphere. The can is allowed to exchange heat with the surroundings at 100°F unt..
Calculate the theoretical diameter of the pipe; the nominal pipe diameter chosen from the table; and the actual average velocity in the nominal pipe - Calculate Reynolds number for the process and hence the head loss due to friction.
cold water at 10degc enters a water heater at the rate of 0.02 m3min and leaves the water heater at 50degc. the water
air at 5 bar 500 k and a volumetric flow rate of 8 m3s enters an insulated turbine operating at steady and exits with a
Steam at 3MPa and 400C enters an adiabatic nozzle steadily with a velocity of 40m/s and leaves at 2.5MPa and 300m/s. Determine the exit temperature in degrees C. the ratio of the inlet to exit area
In a manufacturing process, a copper disk is placed in a bath of cooling fluid. The copper disk has a 5 cm radius and a 1 cm thickness. The initial temperature of the copper disk is 450 degrees Celsius. The thermal conductivity, density, and specific..
one kilogram of water fills a 150-l rigid container at an initial pressure of 2 mpa. the container is then cooled to 40
the city of houston has a water filtration system that consists of a large rigid tank with a single 1.5m diameter inlet
give a clear explaination on shear force and bending moment distributions using singularity functions?how do we use
A mercury manometer (r = 13,600 kg/m3) is connected to an air duct to measure the pressure inside. The difference in the manometer levels is 15 mm, and the atmospheric pressure is 100 kPa.
Plot the total mass in the tank, in kg, and the amount of heat transfer, in kJ, versus the final quality x ranging from 0.2 to 1.0
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