R134a enters a compressor at 30 psia and 10 F at a flow rate of 40

Question:

R134a enters a compressor at 30 psia and 10 ° F at a flow rate of 40 gpm, and leaves with a temperature of 300 ° F and a pressure of 160 psia. What is the rate of change of exergy for this device?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Thermodynamics for Engineers

ISBN: ?978-1133112860

1st edition

Authors: Kenneth A. Kroos, Merle C. Potter

See More Books

Question Posted: Jun 29, 2016 05:26 AM

See More Questions

Air enters a compressor at ambient conditions of 15 psia and 60F with a low velocity and exits at 150 psia, 620F, and 350 ft/s. The compressor is cooled by the ambient air at 60F at a rate of 1500...
Saturated R-134a vapor enters a compressor at 6°F. At compressor exit, the specific entropy is the same as that at the inlet, and the pressure is 80 psia. Determine the R-134a exit temperature...
Air enters a compressor at ambient conditions of 15 psia and 60F with a low velocity and exits at 150 psia, 620F, and 350 ft/s. The compressor is cooled by the ambient air at 60F at a rate of 1500...
The key rates in the US and New Zealand are 1.61% and 1.64%, accordingly. The value of NZDUSD is 0.9756 on the Forex-market. What is the value of this currency futures with time of maturity 9 months?
If the dollar appreciates relative to the euro, will the German camera you have wanted become more or less expensive? What effect do you imagine this change will have on American demand for German...
Can you help me solve this problem for Payroll Accounting? Ellipses Corp One Month Project Ellipses Corp is a small business that operates in Herndon, VA. The company is located at 10 Period Lane,...
A light ray reflects from a mirror hanging vertically on a wall in your bathroom, and the ray strikes a particular point on the opposite wall (Fig. P24.6). The bottom end of the mirror is then tilted...
Yahoo! Inc.s recent financial statements contain the following selected data (in thousands). Current assets ...........$ 4,594,772 Total assets ............ 14,936,030 Current liabilities ............
Why is the cash flow of a residential mortgage loan unknown? 1) Because the Federal Reserve controls mortgage payoffs. 2) Fannie Mae and Freddie Mac are unpredictable. 3) Borrowers may choose to pay...
A company produces two products, A1 and A2 that are sold to retailers. The budgeted sales volumes for the next quarter are as follows:Product .....................UnitsA1...
What is the exergy of air at 300 C and 600 kPa if the dead state is 20 C and 101 kPa? a) Assume constant specific heats and b) Use Table F-1.
Two kilograms of steam enter a turbine each second at 600 C and 4 MPa and leave as saturated vapor at 20 kPa while 100 kJ/s of heat leave the turbine. The surroundings are at 25 C. The entropy...
If the Federal Reserve sells dollars in the foreign exchange market but conducts an offsetting open market operation to sterilize the intervention, what will be the effect on international reserves,...
Administrators at International University are curious how students' GPAs after their first year compare to their high school GPAs. They plan on taking an SRS of 80 of the 900 freshmen to look up...
( 8 x - x ^ 2 ) / ( x ^ 4 ) what is the derivate.
Solve for x . log 1 0 ( 4 x ) log 1 0 ( x 3 ) = 1
Let f ( x ) = ( 8 x - 4 x ^ 2 ) It is ^ x . Find the inflection points
f ( x ) = sin ( x ) / ( 2 * x ^ 2 + 4 ) , differentiate using quotient with respect to x
Much of the gas near the Sun is atomic hydrogen. Its temperature would have to be 1.5 x 10 7 K for the average velocity v rms to equal the escape velocity from the Sun. What is that velocity?
Ask students to outline the reasons why the various elements of culture (social structures and control systems, language and aesthetics, religion and other belief systems, educational systems, etc.)...
Calculate the difference in entropy of the ideal-gas value and the real-gas value for carbon dioxide at the state 20C, 1 MPa, as determined using the virial equation of state. Use numerical values...
A rigid tank contains 1 kg oxygen at 160 K, 4 MPa. Determine the volume of the tank assuming we can use the Redlich-Kwong equation of state for oxygen. Compare the result with the ideal gas law.
A flow of oxygen at 230 K, 5 MPa is throttled to 100 kPa in a steady flow process. Find the exit temperature and the specific entropy generation using Redlich-Kwong equation of state and ideal gas...
WISE-HOLLAND CORPORATION On June 15, 2013, Marianne Wise and Dory Holland came to your office for an initial meeting. The primary purpose of the meeting was to discuss Wise-Holland Corporation's tax...
Stock in ABC has a beta of 0.9. The market risk premium is 8%, and T-bills are currently yielding 5%. The company's most recent dividend is $1.60 per share, and dividends are expected to grow at a 6%...
Sweeten Company had no jobs in progress at the beginning of March and no beginning inventories. The company has two manufacturing departments --Molding and Fabrication. It started, completed, and...

R134a enters a compressor at 30 psia and 10 F at a flow rate of 40

Question:

Step by Step Answer:

First lets determine the mass flux using v 1 00120 ft ...View the full answer

Thermodynamics for Engineers

Students also viewed these Thermodynamics questions