Question: A heat pump is used to keep a house warm at 22oC. How much work is required of the pump to deliver 2800 J of

A heat pump is used to keep a house warm at 22oC. How much work is required of the pump to deliver 2800 J of heat into the house if the outdoor temperature is?
(a) 0oC,
(b) –15oC? Assume ideal (Carnot) behavior.

Step by Step Solution

★★★★★

3.40 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The efficiency of a perfect Carnot engine is gi... 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)

P-T-F-L (395).docx

120 KBs Word File

Students Have Also Explored These Related Thermodynamics Questions!

A heat pump is used to keep a house warm at 22C. How much work is required of the pump to deliver 3100 J of heat into the house if the outdoor temperature is? (a) 0C, (b) -15C Assume a COP of 3.0....

A Carnot heat pump is used to heat and maintain a residential building at 75F. An energy analysis of the house reveals that it loses heat at a rate of 2500 Btu/h per F temperature difference between...

A drafty house loses 2 5 , 0 0 0 J of heat each second ( 2 5 0 0 0 W ) on very cold days. However, a heat pump is used to keep it warm! On a cold day, it is - 2 0 oF outside but a toasty 7 5 oF...

Attempts Keep the Highest / 2 3. Problem 22-03 (Tax Shield Value) eBook Tax Shield Value Problem Walk-Through Wilde Software Development has a 13% unlevered cost of equity. Wilde forecasts the...

An ideal, or Carnot, heat pump is used to heat a house to a temperature of 294 K (21 C). How much work must the pump do to deliver 3350 J of the heat into the house on a day when the outdoor...

An ideal (or Carnot) heat pump is used to heat a house to a temperature of 20C. How much work must the pump do to deliver 3350 J of heat into the house on a particular day when the outdoor...

Question: Assume you are the owner of TheBlues Inc., an international manufacturer of electronic products, and you are contemplating introducing a new type of Blue Ray player. After considering the...

A heat pump is used to heat a house with an interior temperature of 20.0C. On a chilly day with an outdoor temperature of 10.0C, what is the minimum work that the pump requires in order to deliver...

A heat engine running backward is called a refrigerator if its purpose is to extract heat from a cold reservoir. The same engine running backward is called a heat pump if its purpose is to exhaust...

LeBron Woods is responsible for developing a leadership training program for his organization. The following table describes the relationships between the activities that need to be completed. (a)...

You are the auditor of Cocona Fans Manufacture Inc. ("Cocona") and are in the process of completing the audit for the year ended 31 December 20x0. You note the following two outstanding matters upon...

Which of the following is the best example of a variable cost? (a) property taxes; (b) the corporate president's salary; (c) the controller's salary; (d) interest charges; or (e) material in a unit...

How would you define and measure customer value to Henkel? Should it define value on the individual level or on the segment level? What is the look and feel of strategic CRM in the FMCG environment?...

Assume that a Parent company acquires a 60% interest in its Subsidiary on January 1, 2020. On the date of acquisition, the fair value of the 60% controlling interest was $1,440,000 and the fair value...

Your success in business thus far has put you in a position to purchase a home for $500,000 located close to the university you attend. You plan to pay a 20% down payment of $100,000 and borrow the...

If projected net cash outflow for January is ($6,500), the beginning cash balance is $16,000, the minimum cash balance is $5,000, and the beginning loan balance is $4,500, what will be cumulative...

Brad Shaw & Co. imports raw materials from China worth Rs.1 million. They paid Rs.80,000 as import duties and Rs.20,000 as import taxes (the import taxes were subsequently refunded by the local...

Find LCM and GCF of each pair 45, 75, 30

Johnson Tire Distributors has an unlevered cost of capital of 12 percent, a tax rate of 34 percent, and expected earnings before interest and taxes of $1,900 in perpetuity. The company has $3,400 in...

2 Duela Dent is single and had $183,200 in taxable income. Use the rates from Table 23 (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Calculate her...

Researchers have wanted to investigate the relationship between physical activity and mental health. Below isan example of sample data for a study that looked at ten people who were measured on both...