subject
Engineering, 05.09.2020 01:01 skmc1985

A rigid tank contains 5Kg of refrigerant-134a initially at 20°C. The refrigerant is now cooled while being stirred until its pressure drops to 100 kPa. Determine the entropy change of the refrigerant during this process.

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
question
Engineering, 04.07.2019 18:10
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
Answers: 1
question
Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
question
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
Answers: 3
You know the right answer?
A rigid tank contains 5Kg of refrigerant-134a initially at 20°C. The refrigerant is now cooled while...
Questions
question
Mathematics, 19.08.2019 08:00
question
Mathematics, 19.08.2019 08:00
question
Mathematics, 19.08.2019 08:00
Questions on the website: 13722367