![subject](/tpl/images/cats/User.png)
Engineering, 11.02.2020 22:28 Fireburntbudder
An air conditioner using refrigerant-134a as the working fluid and operating on the ideal vapor-compression refrigeration cycle is to maintain a space at 22C while operating its condenser at 1000 kPaDetermine the COP of the system when a temperature difference of T=2C is allowed for the transfer of heat in the evaporator.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Engineering
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, jadeochoa4466
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10, bckyanne3
Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.
Answers: 1
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20, maustin5323
Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]
Answers: 1
![image](/tpl/images/cats/User.png)
Engineering, 04.07.2019 19:10, lexie223
Acircular aluminum shaft mounted in a journal is shown. the symmetric clearance gap between the shaft and journal is filled with sae 10w-30 oil at t 30°c. the shaft is caused to turn by the attached mass and cord. develop and solve a differential equation for the angular speed of the shaft as a function of time.
Answers: 2
You know the right answer?
An air conditioner using refrigerant-134a as the working fluid and operating on the ideal vapor-comp...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 26.02.2021 23:40
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 26.02.2021 23:40
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.02.2021 23:40
![Konu](/tpl/images/cats/geografiya.png)
Geography, 26.02.2021 23:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 26.02.2021 23:40
![Konu](/tpl/images/cats/istoriya.png)
History, 26.02.2021 23:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 26.02.2021 23:40