Saturated ammonia vapor is compressed as shown in Fig. 6.59. Calculate the horsepower input if the compressor's

Question:

Saturated ammonia vapor is compressed as shown in Fig. 6.59. Calculate the horsepower input if the compressor's adiabatic efficiency is
a) 80%,
b) 90%,
c) 100%.
Figure 6.59

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 05:25 AM

See More Questions

A mixing chamber receives 5 kg/min ammonia as saturated liquid at 20C from one line and ammonia at 40C, 250 kPa from another line through a valve. The chamber also receives...
A mixing chamber receives 10 lbm/min ammonia as saturated liquid at 0 F from one line and ammonia at 100 F, 40 lbf/in 2 from another line through a valve. The chamber also receives 340 Btu/min energy...
Nitric acid is used extensively for the production of inorganic and organic nitrates, for metal treatments of various kinds, and for photoengraving. It is produced by oxidizing ammonia to nitric...
Charles has a savings account with a balance, today, of 100,000 SAR in his investment account. He expects to obtain a yearly return of 12% in his investments. How long will it take for Charles to...
Given what you now know, do you think it was a good idea for the United States to adopt a policy mix of tight money and large government budget deficits in the early 1980s? Why or why not? What were...
per...
The image formed by a plane mirror appears to be a reverse of the object, with left and right interchanged, as illustrated in Figure Q24.13. It is actually more accurate to think of this reversal as...
a. Create a simple detection system that can be used to solve the juice bar crises. b. What do you think is the optimal role for detection in this problem? The Veggie-Buffet Restaurant is a downtown...
Using the FIFO method, prepare the required journal entries for each transaction assuming all purchases and sales are made on credit
Explain whether the following consumer goods are classified as good or bad debt. Explain your rationale. a. Mortgage b. Home equity line of credit to build a new patio c. Student loan d. Gap credit...
An air compressor has an isentropic efficiency of 0.88. If air at 100 kPa and 25C and a mass ow rate of 20 000 kg/hr is compressed to 500 kPa, what work must be supplied to the compressor? Assume...
Saturated R134a vapor is to be compressed from 20 psia to 400 psia in a compressor rated at 86% efficiency. Determine the horsepower requirement if the mass flow rate is 400 lbm each hour.
During the year to 30 September 2007, Kammer plc made a new offer of shares. The details of the offer were as follows: 1 100,000 ordinary shares of 1 each were issued payable in instalments as...
Directions: Put your feet in the shoes of the business owner and suggest specific ways on how a business can gain profit and how it can be avoid loss Ways to Gain Profit 1. 2. 3. 4. 5. 1. 2. 3. 4. 5....
Define business intelligence Briefly discuss how your organisation can use business intelligence to improve decision-making Please see below rubric as guidance. Kindly list references in APA 7th...
Mr Santos apply for college educational plan for his 3 children .The 3 children ages are 6 yrs old , 3 yrs old and 1 yr old. The fund will be set-up the deposit of a fixed sum on the child's current...
Recovery Centers of America needs to acquire new vehicles that will cost $2.5 million across its six state service area. It plans to use the vehicles for three years, at which time new vehicles will...
The following program is supposed to allow the user to enter a list of numbers, then print them out formatted with 2 decimal positions. However, there are 3 errors. Indicate the line number of each...
Find the number of moles in 2.00 L of gas at 35.0C and under 7.41 x 10 7 N/m 2 of pressure.
Copy and complete the statement. 3800 m ? km =
Use Gibbs relation du = Tds Pdv and one of Maxwells relations to find an expression for (u/P)T that only has properties P, v and T involved. What is the value of that partial derivative if you have...
Start from Gibbs relation dh = Tds + vdP and use one of Maxwells equation to get (h/v)T in terms of properties P, v and T. Then use Eq.13.24 to also find an expression for (h/T)v.
From Eqs. 13.23 and 13.24 and the knowledge that Cp > Cv what can you conclude about the slopes of constant v and constant P curves in a T-s diagram? Notice that we are looking at functions T(s, P or...
A corporate bond that you own at the beginning of the year is worth $930. During the year, it pays $56 in interest payments and ends the year valued at $920. What was your dollar return and percent...
Anissa makes custom bird houses in her garage and she buys all her supplies from a local lumber yard. Last year she purchased $4500 worth of supplies and produced 2500 bird houses. She sold all 2500...
Critically comment on the following methods that have been used to account for goodwill i)Writting -off the cost of goodwill directly to reserves in the year of acquisition ii) Reporting goodwill at...

Saturated ammonia vapor is compressed as shown in Fig. 6.59. Calculate the horsepower input if the compressor's

Question:

120 kPa 20 kg/min W. 2 MPa

Step by Step Answer:

a From Table E1 at 30C the pressure is very close to 120 kPa we find s 1 5382 kJkg K and h 1 ...View the full answer

Thermodynamics for Engineers

Students also viewed these Thermodynamics questions