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Air in a piston-cylinder device is compressed from an initial state (temperature = 80 C, pressure = 100 kPa, volume = 0.3 m3) to a final state (temperature = 250 ?C, pressure = 600 kPa), during a polytropic process (n = 1.28094065700868). What is the heat transfer associated with this process in kJ? (Remember, heat in is positive, heat out is negative.)
atmospheric air at 98 kpa and 30degc flows into an air conditioning system with a volume flow rate of 2 m3min. to
question 1the naca 4412 airfoil has a mean camber line given byby using thin airfoil theory calculatea. its zero-lift
the rectangular plate is rorating about its corner axis through o with a constant angular velocity omega 10 rads.
consider the steady operation of a refrigeration package for a shipping container on a train truck or ship. the package
the length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. when the
air enters a compressor at ambient conditions of 100kpa and 17 degc with a low velocity and exits at 1mpa 327 degc and
estimate the concentration in ppm and the mass emission rate of nox in kghr expressed as no if a coal containing 1.5
a carnot heat pump is to be used for heating house in winter. the house temperature is set at 25oc. one day the outdoor
the air velocity in a duct is measured by a Pitot-static probe connected to a differential pressure gage. if the air is at 13.4 psia absolute and 70 degrees C and the reading of the differential pressure gage is 0.15 psi, determine the air velocit..
which of the following characteristics that relate the solutes and solvents and their atoms determine the degree to
portable electric heaters are commonly used to heat small rooms. explain the energy transformation involved during the
figure 2 gives a pictorial view of a slotted guide. draw the following views in third angle ltbrgtprojection. ltbrgta a
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