Find the process heat transfer and the combined steel

Reference no: EM131233124

1. A rigid tank of 1.2 lbm steel contains 1.5 lbm R-134a at 100 F, 80 psia. The tank is placed in a refrigerator that brings it to 0 F. Find the process heat transfer and the combined steel and R-134a change in entropy.

2. A 5-lbm aluminum radiator holds 2 lbm liquid R-134a at 10 F. The setup is brought indoors and heated with 220 Btu. Find the final temperature and the change in entropy of all the mass.

Reference no: EM131233124

Questions Cloud

Analyze the role that customer service plays : From the e-Activity, analyze the role that customer service plays and determine the service management skills at Zappos. Evaluate the different way(s) that Zappos creates a superior customer service.

Project management using scrum and the cultural challenges : Post a brief summary of each article of how the articles relate to your research topic and whether they helped you refine or clarify your topic.

Write a paper that summarizes your findings : After you have completed the interview, write a 750-1,000 word paper that summarizes your findings. Cite at least two resources in addition to your textbook for this class.

Currency for every dollarthey deposit : Assume that households and firms keep 10c in currency for every Dollarthey deposit in banks and that banks keep 25c as reserves out of everDollar they receive as deposit. Compute the eventual percent increase inthe money supply if the monetary bas..

Find the process heat transfer and the combined steel : A 5-lbm aluminum radiator holds 2 lbm liquid R-134a at 10 F. The setup is brought indoors and heated with 220 Btu. Find the final temperature and the change in entropy of all the mass.

How something works or instructions of how to do something : In order to be able to document how something works or the instructions of how to do something, you must not only list the steps but think about why they are performed and what the person performing the steps needs to know to be sucessful.

Equilibrium quantity and price : How do you find consumer surplus after you have found equilibrium quantity and price?

Find the entropy change of the water : A foundry form box with 50 lbm of 400 F hot sand is dumped into a bucket with 2 ft3 water at 60 F. Assuming no heat transfer with the surroundings and no boiling away of liquid water, calculate the net entropy change for the masses.

How large is the groups population size within the us : How large is the group's population size within the United States? What is the age range that comprises the largest segment of the population?

User Account

All Pages