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Air is compressed in a reversible steady-flow system from 15 psia and 100?F to an exit pressure of 100 psia. The compression process is polytropic, with a polytropic exponent of n = 1.250 the air may be assigned to behave as an ideal gas with constant specific heats. Determine: (i) the change in entropy, (ii) the work of compression per unit mass and (iii) the heat transferred per unit mass
according to a recent article hot-air volumes must be large because air heated to 150 degrees fahrenheit over ambient
Important information about Pressure Cooker, Steam is leaving a pressure cooker whose operating pressure is 30 psi. It is observed that the amount of liquid in the cooker has decreased by 0.4 gal in 45 minutes after the steady operating conditions..
To test the aerodynamics of a new prototype automobile a scale model will be tested in a wind tunnel. For dynamic similarity, it will be required to match Reynolds number between model and prototype.
water at 120 f and 60 psia flows through a frac12 diameter pipe at 0.6 lbms and is steadily mixed with 0.2 lbms water
a steel ring of mean diameter 250 mm has a square section 2.5 mm by 2.5 mm. it is split by a narrow radial saw cut. the
consider a piston-cylinder device with a piston surface area of 0.1m2 initially filled with 0.05m3 saturated water
the waveform from a mechanical vibration is sensed by a velocity-sensitive vibrometer. the oscilloscope trave indicates
block b has a mass m and is released from rest when it is on top of cart a which has a mass of 3m. determine the
Air is contained in a piston-cylinder assembly, initially at 40 lbf/in2 and 600 ?R. The air expands in a poly tropic process with n = k = 1.4 until the volume is doubled. Modeling the air as an ideal gas with constant specific heats,
A closed rigid tank of volume 3m^3 contains a two-phase liquid-vapor mixture of H2O at 110C with a quality of 34.5%. The tank then receives energy by heat transfer until the water becomes a saturated vapor. Determine the final pressure and temperatur..
a sprinkler essentially consists of a pipe ab mounted on a hollow shaft. the water comes in the pipe at o and goes out
Calculate adiabatic flame temperature butane (C4H10) burning in air at 298 k and 1 atm, assuming complete combustion and constant specific heats.
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