Engineering, 31.10.2021 02:00 jordanrose98
An air-cooled steam condenser is operated with air in cross flow over a square, in-line array of 400 tubes ( 20), with an outside tube diameter of 20 mm and longitudinal and transverse pitches of 60 mm and 42 mm, respectively. Saturated steam at a pressure of 2.455 bars enters the tubes, and a uniform tube outer surface temperature of 390 K may be assumed to be maintained as condensation occurs within the tubes. (a) If the temperature and velocity of the air upstream of the array are 300 K and 7 m/s, what is the temperature of the air that leaves the array
Answers: 2
Engineering, 04.07.2019 03:10
What precautions should you take to prevent injuries when dealing with heavy loads?
Answers: 1
Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:10
You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?
Answers: 1
An air-cooled steam condenser is operated with air in cross flow over a square, in-line array of 400...
English, 30.11.2020 17:40
Mathematics, 30.11.2020 17:40
World Languages, 30.11.2020 17:40
Mathematics, 30.11.2020 17:40
Mathematics, 30.11.2020 17:40
Mathematics, 30.11.2020 17:40
Chemistry, 30.11.2020 17:40