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Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 300C. At the exit the temperature is 1500C and mass flow rate is 2 kg/s. The pressure in the mixing chamber is 800 kPa. Determine the entropy production for the mixing process, in kW/K.
Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
air in a piston cylinder undergoes a process from state 1 where t1300k p1100kpa to state 2 where t2500kpa p2650kpa.
a carnot heat engine using 1 kg of air has the following conditions isothermal heat addition beginning at 15 mpa and
A gas mixture at 675.0°C and 113 kPa absolute enters a heat exchanger at a rate of 69.0 m3/hr. The gas leaves the heat exchanger at 245.0°C. The change in enthalpy of the gas during the cooling process is -6.80 kJ/mol.
problem 1if one were to roll a tetrahedral 4-sided die twelve times show that the most likely outcome would be to get
a sail plane with a lift-to-drag ratio of 25 flies with a speed of 50 mph. it maintains or increases its altitude by
a certain object weighs 300 n at the earths surface. determine the mass of the object in kilograms and its weight in
determine the maximum power that can be transmitted thru a stepped shaft rotating at 60 hz. knowing the radius of the
a refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression refrigeration
a thin flat pate that is 0.2m by 0.2m on a side is oriented parallel to an atmospheric airstream having a velocity of
a well-insulated piston-cylinder device contains 0.05 m3 of steam at 300 kpa and 150oc. steam is now compressed in a
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. what
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