Question: A heat pump is absorbing heat from the cold outdoors at 5C and supplying heat to a house at 22C at a rate of 18,000

A heat pump is absorbing heat from the cold outdoors at 5°C and supplying heat to a house at 22°C at a rate of 18,000 kJ/h. If the power consumed by the heat pump is 2.5 kW, the coefficient of performance of the heat pump is
(a) 0.5
(b) 1.0
(c) 2.0
(d) 5.0
(e) 17.3

Step by Step Solution

★★★★★

3.36 Rating (180 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

A heat pump is absorbing heat from the cold outdoors at 5C and supplying ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

E-ME-T (1943).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

A heat pump is to be used for heating a house in winter. The house is to be maintained at 78F at all times. When the temperature outdoors drops to 25F, the heat losses from the house are estimated to...

A heat pump is a device that absorbs energy from the cold outdoor air and transfers it to the warmer indoors. Is this a violation of the second law of thermodynamics? Explain.

A heat pump is used to maintain a house at 25°C by extracting heat from the outside air on a day when the outside air temperature is 4°C. The house is estimated to lose heat at a rate of...

A heat pump is absorbing heat from the cold outdoors at 5C and supplying heat to a house at 25C at a rate of 18,000 kJ/h. If the power consumed by the heat pump is 1.9 kW, the coefficient of...

6 - 1 6 3 The label on a washing machine indicates that the washer will use $ 8 5 worth of hot water if the water is heated by a 9 0 percent efficient electric heater at an electricity rate of $ 0 ....

1. Suppose you are considering to make a decent holiday dinner. In this year, to be creative, you are thinking to put Copper River Salmon from Alaska (fillet) and fresh Atlantic Lobsters from Maine...

5-43C Consider an adiabatic turbine operating steadily. Does the work output of the turbine have to be equal to the decrease in the energy of the steam flowing through it? 5-44C Consider an air...

ANSWER ALL QUESTIONS. WILL GIVE A GOOD RATING FOR A CORRECT ANSWERS ONLY 2-35E A spring whose spring constant is 200 lbf/in has an initial force of 100 lbf acting on it. Determine the work, in Btu,...

#6 and #7 1. Moist air at standard conditions is at a dry bulb temperature of 50F and a relative humidity of 70%. It is sensibly heated (constant moisture) to 72F. Use the psychrometric chart to...

A heat pump is used to maintain a house at 22°C by extracting heat from the outside air on a day when the outside air temperature is 2°C. The house is estimated to lose heat at a rate of...

A company makes a single product, which sells for $ 24 per unit. Fixed costs are $ 32,000 per month, and the contribution margin is 0.3 (30%). Sales for the month were $ 132 000. What is the margin...

Describe SCOR model for measuring performance in supply chains. Which organization sponsors SCOR model? Briefly describe the mission of that organization.

ompute Ke and Kn under the following circumstances: a . = $ 4 . 0 0 , P 0 = $ 6 6 g = 4 % , F = $ 5 . 0 0 . ( Do not round intermediate calculations. Round your answers to 2 decimal places. ) b . = $...

The country I would like this to be about is Japan, this is the question to answer but Japan is the country it's about. In this first discussion, you will choose a country, other than the USA or...

ABC Ltd had cash and cash equivalents at 1 January 2019 of $400,000. The transactions of ABC Ltd for the year to 31 December 2019 are as follows: Borrowed $850,000 with a 9-month loan payable...

Fools Paradise Ltd had cash and cash equivalents at 1 January 2019 of $400,000. The transactions of Fools Paradise Ltd for the year to 31 December 2019 are as follows: Borrowed $850,000 with a...

Provide some examples of items that would be adjusted directly against equity, rather than being included as part of profit or loss

Empirical and molecular formulas. (a) Fluorocarbonyl hypofluorite is composed of 14.6% C, 39.0% O, and 46.3% F. The molar mass of the compound is 82 g/mol. Determine the empirical and molecular...

The following disclosure note appeared in the December 31, 2016, annual report of the Intel Corporation. Note 5: Cash and Investments (partial) Available-for-sale investments as of December 31, 2016,...

kindly assist and provide a detailed evaluation Evaluate the trends in the currency futures market in Kenya between 2021 and 2023. Provide quantitative data and examples to support your

A long-term promissory note issued by a business or government is a: Share of common stock Share of preferred stock Bond Bonds require the issuing company to pay a fixed number of dollars of interest...