subject
Engineering, 14.09.2019 00:30 tinaxiao

Avapor-compression refrigeration cycle fluid. saturated vapor enters the compressor at 200 kpa, and saturated liquid exits the condenser at 800 kpa. the compressor has an isentropic efficiency of 80% and the mass flow rate of the refrigerant is 7 kg/min. determine a) the compressor power, in kw operates at steady state with refrigerant-134a as the working b) the rate of heat removal in the refrigerated space, in tons of refrigeration (c) the coefficient of performance

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
question
Engineering, 04.07.2019 18:20
Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.
Answers: 1
question
Engineering, 04.07.2019 19:10
The proportional limit is always greater than the yield strength for a material. a)-trune b)- false
Answers: 3
question
Engineering, 04.07.2019 19:10
Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.
Answers: 2
You know the right answer?
Avapor-compression refrigeration cycle fluid. saturated vapor enters the compressor at 200 kpa, and...
Questions
question
Mathematics, 03.10.2019 13:20
question
Mathematics, 03.10.2019 13:20
Questions on the website: 13722367