Engineering, 08.04.2020 23:25 brianaduenas619
An automobile air conditioner uses the vapor compression refrigeration cycle with HFC-1343 2s the refrigerant. The operational temperature of the evaporator is 7°C and that of the condenser is 45-C. Determine the coefficient of performance of this airconditioning system and the amount of work needed for each kilojoule of cooling provided by the air conditioner.
Answers: 3
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
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
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
Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
Answers: 2
An automobile air conditioner uses the vapor compression refrigeration cycle with HFC-1343 2s the re...
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
History, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Biology, 18.03.2021 01:00
Chemistry, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Biology, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00
Mathematics, 18.03.2021 01:00