A salesperson tells you that a new refrigerator with a high COP removes 2.6 x 103J (each
Question:
(a) What is the refrigerator’s COP?
(b) Is this scenario possible? Justify your answer.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 77% (9 reviews)
a COP ref b ...View the full answer
Answered By
Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
4.00+
2+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Thermodynamics questions
-
A friend tells you that a refrigerator door, beneath its layer of white-painted plastic, is made of aluminum. How could you check to see if this is true (without any scraping)?
-
A homeowner buys a new refrigerator and a new air conditioner. Which one of these devices would you expect to have a higher COP? Why?
-
A refrigerator with a COP of 2.2 removes 4.2 x 105 J of heat from its interior each cycle. (a) How much heat is exhausted each cycle? (b) What is the total work input in joules for 10 cycles?
-
A chamber contains a mixture of CO2, CO and O2 is in equilibrium at a specified temperature and pressure. How will (a) Increasing the temperature (T) at constant pressure and (b) Increasing the...
-
Refer to the financial information in S6-5 Refer S6-5 Required: Analyze the financial information to identify three observations that lead to concerns that the inventory will need to be written down...
-
Which of the following is a ratio used to assess the extent to which operating cash flows are sufficient to cover replacement of property, plant, and equipment? a. Free cash flow. c. Current ratio....
-
What are retail banks? What are the main features of their balance sheets?
-
Te accounts of Red River Services, Inc., at January 31, 2014, are listed in alphabetical order. Requirements 1. All adjustments have been journalized and posted, but the closing entries have not yet...
-
mment T4075 As CIT-1075 (1%) Consider ment CCIT 1075 Assignmes m-1 n=0 Consider the dataset {9}-0 Assume m is a multiple of (a) (1%) Suppose 9 = cos(2/3). Estimate the pmf of the random variable...
-
There is a Carnot coefficient of performance (COPC) for an ideal, or Carnot, refrigerator. (a) Show that this quantity is given by (b) What does this tell you about adjusting the temperatures for the...
-
An ideal heat pump is equivalent to a Carnot engine running in reverse. (a) Show that the Carnot COP of the heat pump is COPC = 1/C where C is the Carnot efficiency of the heat engine. (b) If a...
-
Each month, the owner of Fays Tanning Salon records in a data files the monthly total sales receipts and the amount spent that month on advertising. a. Identify the two variables. b. For each...
-
A 7.31-nC charge is located 1.87 m from a 4.42-nC point charge. (a) Find the magnitude of the electrostatic force that one charge exerts on the other. N (b) Is the force attractive or repulsive?...
-
You are given the the information below on a mutual fund. What is the geometric average? Year 1 Asset under management at start of year (millions of $) 100.00 Holding-Period Return (% per year) 21.00...
-
A block of mass 0 . 4 kg is attached to a spring on a frictionless table and set into simple harmonic motion with a period of oscillation of 2 s , and an amplitude of 0 . 6 m . A second identical...
-
The spot and 6-month forward rates for the British Pound are $1.5800/ and $1.5510/, respectively. If the dollar is the home currency, the British Pound is said to be selling at a forward O premium ?
-
The annual rich list of top hedge fund earners published by Institutional Investors features four hedge fund managers who made more than $ 1 billion in 2 0 1 7 , with other top hedge managers earning...
-
(a) Show that the coordinate transformation (24.60a) brings the metric ds 2 = dx dx into the form of Eq. (24.60b), accurate to linear order in separation x j from the origin of coordinates. (b)...
-
1. What is the semi-annually compounded interest rate if $200 accumulates to $318.77 in eight years? Answer in percentage with two decimal places. 2. What is the quarterly compounded interest rate if...
-
The switch in Figure P21.42 is open for a very long time and then closed at t = 0. (a) What is the current through R 1 and through R 2 immediately after the switch is closed? (b) What is the voltage...
-
Find the RL time constant for decay of the current in the circuit in Figure 21.25B. Express your answer in terms of the values of the resistances R 1 and R 2 , and the inductance L. R2 R1
-
inductors act as one equivalent inductance L equiv . To find L equiv , we first note that because the current flows through the inductors sequentially, the factor I/t is the same for each. (a) What...
-
A helium-filled balloon, whose envelope has a mass of 0.29 kg, is tied to a 3.8-m long, 0.054-kg string. The balloon is spherical with a radius of 0.40 m. When released, it lifts a length h of the...
-
A potato is launched out of a building (building A) from the 10th floor which is 15 m high, with a velocity of 55 m/s at an angle of 35.0 above the horizontal. There is a building (building 2) 130 m...
-
Because of its high dielectric strength, SF6 (sulfur hexafluo-ride) gas is widely used as an insulator and a dielectric in HV applications such as HV transform-ers, switches, circuit breakers,...
Study smarter with the SolutionInn App