Engineering, 12.12.2019 03:31 vava1804
Consider a carnot refrigeration cycle executed in a closed system in the saturated liquid-vapor mixture region using 0.96 kg of refrigerant-134a as the working fluid. is it known that the maximum absolute temperature in the cycle is 1.2 times the minimum absolute temperature, and the net work input to the cycle i s 22 kj. if the refrigerant changes from saturated vapor to saturated liquid during the heat rejection process, determine he minimum pressure in the cycle.
Answers: 3
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
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
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
Consider a carnot refrigeration cycle executed in a closed system in the saturated liquid-vapor mixt...
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