Engineering, 28.11.2019 00:31 leo4687
Water flowing in a horizontal 25-cm-diameter pipe at 9 m/s and 300 kpa gage enters a 90° bend reducing section, which connects to a 15-cm-diameter vertical pipe. the inlet of the bend is 50 cm above the exit. neglecting any frictional and gravitational effects, determine the net resultant force exerted on the reducer by the water. take the momentum-flux correction factor to be 1.04.
Answers: 2
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
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
Water flowing in a horizontal 25-cm-diameter pipe at 9 m/s and 300 kpa gage enters a 90° bend reduci...
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