Engineering, 07.08.2019 19:20, lilyrockstarmag
An ideal vapor-compression refrigeration cycle operates at steady state with refrigerant 134a as the working fluid. saturated vapor enters the compressor at 0°c, and saturated liquid exits the condenser at 7 bar. the mass flow rate of refrigerant is 0.08 kg/s. determine (a) compressor power in kw, (b) the refrigeration capacity in tons, (c) the coefficient of performance of refrigerator
Answers: 2
Engineering, 04.07.2019 18:10, DestyHilBan1183
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, Strick1530
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
Engineering, 04.07.2019 18:20, DroctorWellsfan
Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
Answers: 1
An ideal vapor-compression refrigeration cycle operates at steady state with refrigerant 134a as the...
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