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The compressor turbine of a simple gas turbine each have isentopic efficiencies of 90%. The compressor pressure ratio is 12. The minimum and maximum temperatures are 290K and 1400K, respectively. Determine:
(a) the net work per unit mass of air flowing in kJ/kg(b) the heat rejected per unit mass of air flowing in kJ/kg(c) the thermal efficiency of the same quantities evaluated for an ideal cycle
refrigerant -134a at 800kPa and 25 C is throttled to a temperature of -20C. determine the pressure and the internal energy of the refrigerant at the final state.
you are designing a remote-area power supply based on a miniature wind turbine that is 20 efficient. meteorological
a flat steel plate is 1 m long and 1 m wide. air flows over the plate at 10 ms. the plates leave a heat treatment oven
as a committed olympic weightlifter you bring alonf a barbell on your campaign trip. each end of the bar carries a mass
the cooling coil of a small air-conditioning system is to be designed for a heat-transfer rate of 48000 btuhr from air
the uniform 100-kg beam is freely hinged about its upper end a and is initially at rest in the vertical position with
bullet a from west with a mass of 175g and speed of 550ms and bullet b from east with a mass of 150g and speed of 200ms
a car is traveling at a constant speed of 35 mph. what is the normal component of acceleration of the car at the top of
q1 figure shows a scale drawing of the temperature profile through a composite plane wall.i identify the layer with the
what is the flow rate required to cool and maintain 0.5 x 0.5 x 0.5 m3 volume of air at 297 K to 199 K, using nitrogen at 199 K
a convergent-divergent nozzle with an exit-to-throat area ratio of 1.616 has exit and reservoir pressures equal to
a steam power plant operates on a simple ideal rankine cycle between the pressure limits of 3mpa and 50kpa. the
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