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Humid air at 40?C and a relative humidity of 80% is compressed in a two stage compressor from 100kPa to 2500kPa. Each compressor is isentropic 1 and has the same pressure ratio and in between the fluid is cooled in an intercooler to the inlet temperature.
Will the water vapor condense in this device? Where?
What is the relative humidity at the exit of the second compressor? Draw this process for the water on a T-s diagram.
In an experiment to determine drag, a circular cylinder of diameter d was immersed in a steady two dimensional incompressible flow. Measurements of velocity and pressure were made at the boundaries of the control surface shown. The pressure was found..
a 2-kg block of ice with an initial temperature of -20f is dropped into an insulated tank containing 10-kg of liquid
air enters a regenerator at a pressure of 1mpa temperature of 550 k and mass flow rate of 800 kkgmin. heat is
an insulated piston-cylinder device contains 2l of saturated liquid water at a pressure of 150kpa-which is constant
an engine operates on an air-standard otto cycle. the pressure and temperature at the beginning of the compression
a spring-loaded piston-cylinder device contains 1 kg of carbon dioxide. this system is heated from 100 kpa and 25c to
at a ski resort water at 40 f is pumped through a 3-in diameter 2000ft long steel pipe from a pond at an elevation of
The support of a spring-mass system is vibrating with an amplitude of 6 mm and a frequency of 1200 cycles per minute. If the mass is 0.95 kg and the spring has a stiffness of 1950 N/m, determine the amplitude of vibration of the mass. If a damping..
What specific questions would you ask your own power plant engineer about the possibility of accepting Podunk's MSW?
Compute the percent change n in the normal forces at A and B as compared with their "engine-off" values.
a collar having a mass of 0.75 kg and negligible size slides over the surface of a horizontal circular rod for which
a straight fin of rectangular profile has a thermal conductivity of 14 wm -oc thickness of 2.0 mm and length of 23 mm.
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