The coefficient of performance of a refrigerator is 5. If the inside temperature of freezer is...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
The coefficient of performance of a refrigerator is 5. If the inside temperature of freezer is -20C, then the temperature of the surroundings to which it rejects heat is (a) 41C (c) 21C (b) 11C (d) 31C The coefficient of performance of a refrigerator is 5. If the inside temperature of freezer is -20C, then the temperature of the surroundings to which it rejects heat is (a) 41C (c) 21C (b) 11C (d) 31C
Expert Answer:
Related Book For
Introduction to Chemical Engineering Thermodynamics
ISBN: 978-0071247085
7th edition
Authors: J. M. Smith, H. C. Van Ness, M. M. Abbott
Posted Date:
Students also viewed these physics questions
-
A common misconception is that the coefficient of performance of a refrigerator must be less than unity. In fact, this is rarely the case. To see why, consider a real refrigerator for which = 0.6 ...
-
The formula for the coefficient of performance when we use cold air properties is not given in the text. Derive the expression for COP as function of the compression ratio similar to how the Brayton...
-
The coefficient of performance of a refrigerator is 5.0. The compressor uses 10 J of energy per cycle. a. How much heat energy is exhausted per cycle? b. If the hot-reservoir temperature is 27C, what...
-
Under which of the following circumstances would an auditor be most likely to intensify an challenging examination of a $500 imprest petty cash fund a. Reimbursement occurs twice each week. b. The...
-
To create user applications as described in this chapter, systems analysts often use macros. Microsoft defines a macro as a series of commands and instructions that you group together as a single...
-
The gate shown is rectangular and has dimensions height h = 6 m by width b = 4 m. The hinge is d = 3 m below the water surface. What is the force at point A? Neglect the weight of the gate. d Hinge...
-
What type of exploratory research design (observation, projective technique, in-depth interview, focus group, case study, ethnography, netnography, ZMET) would you suggest for each of the following...
-
Wisconsin Wire (WW) has implemented a just-in-time inventory system for the production of its insulated wire. Inventories of raw material and work in process are so small that WW uses a Raw and...
-
Mose Ga Twife This Individual assignment asks you to do a practical business situation review for a business research topic. As discussed in e-class, you are assigned a specific topic; see list...
-
Using the method of composite areas, find the centroid of the area. Be sure to indicate each part number in the picture below. www.class4me.com/coursedata/statics/Formulas.pdf R100mm 100m 25mm...
-
Explain what coverage's would be needed for a family of four living in a large metropolitan area. Both adult members are employed at a major firm in the area and one child is 8 years old and the...
-
Jeremy wants to invest in companies that have a long history of consistent growth and stability. He should invest in which of the following? a. Blue-chip stocks b. Growth stocks c. Value stocks d....
-
A persons risk tolerance might change with more investment knowledge or greater wealth. True or False
-
Which is not an advantage of investing in mutual funds? a. Mutual funds have less price variability than stocks or bonds. b. Mutual funds provide diversification. c. Mutual fund investments are...
-
The basic trade-off to be considered by the supplier with production capacity is between committing to an order from a higher-price buyer or waiting for a lower-price buyer to arrive later on....
-
What will happen to a projects schedule if an activity on the critical path is delayed? If an activity is not on the critical path?
-
CALCULATE YIELD ON EARNING ASSETS PRESENT YOUR ANSWER AS PERCENTAGE ROUNDED TO ZERO DECIMAL PLACES, DON'T USE THE PERCENTAGE SYMBOL EXAMPLE IF YOUR ANSWER IS 57%, JUST WRITE 57
-
Using thermodynamic data from Appendix 4, calculate G at 258C for the process: 2SO 2 (g) + O 2 (g) 88n 2SO 3 (g) where all gases are at 1.00 atm pressure. Also calculate DG8 at 258C for this same...
-
For steady Bow through a heat exchanger at approximately atmospheric pressure, what is the final temperature, (a) When heat in the amount of 800 kJ is added to 10 mol of ethylene initially at 200(C?...
-
Saturated steam at 1(atrn) and 100(C is continuously generated from liquid water at 1(atm) and 25(C by thermal contact with hoi air in a counterflow heat exchanger. The air flows steadily at l(atm)....
-
Physiological studies show the neutral comfort level (NCL) of moist air to correspond to an absolute humidity of about 0.01 kg H2O per kg of dry air. (a) What is the vapor-phase mole fraction of H2O...
-
An economist believes that the median income of lawyers who recently graduated from law school is more than \(\$ 64,000\). He queries a random sample of 12 lawyers and obtains the accompanying data....
-
One important variable to consider in trading stock is the daily volume. Volume is measured in number of shares traded in the stock. Stocks with lower volume tend to have more variability in the...
-
The median is different from 120. An analysis of the data reveals that there are 35 minus signs and 28 plus signs. Use the sign test to test the given alternative hypothesis at the \(\alpha=0.05\)...
Study smarter with the SolutionInn App