Question: During an experiment conducted in a room at 25°C, a laboratory assistant measures that a refrigerator that draws 2 kW of power has removed 30,000

During an experiment conducted in a room at 25°C, a laboratory assistant measures that a refrigerator that draws 2 kW of power has removed 30,000 kJ of heat from the refrigerated space, which is maintained at -30°C. The running time of the refrigerator during the experiment was 20 min. Determine if these measurements are reasonable.

During an experiment conducted in a room at 25°C

25C Refrig. 2kW 30.000 kJ -30C

Step by Step Solution

★★★★★

3.46 Rating (162 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

An experimentalist claims to have developed a refrigerator The exper... 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 (1880).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

A household freezer operates in a room at 20C. Heat must be transferred from the cold space at a rate of 2 kW to maintain its temperature at 30C. What is the theoretically smallest (power) motor...

A container of juice is left in a room at a temperature of 74°F. After 8 minutes, the temperature is recorded at regular intervals. a. Plot the data using an appropriate window. Make a rough...

A household freezer operates in a room at 20C. Heat must be transferred from the cold space at a rate of 2 kW to maintain its temperature at 30C. What is the theoretically...

During an experiment conducted in a room at 25°C, a laboratory assistant measures that a refrigerator that draws 2 kW of power has removed 30,000 kJ of heat from the refrigerated space, which is...

1 . ( 0 . 5 ) During an experiment conducted in a room at \ ( 2 5 ^ { \ circ } \ mathrm { C } \ ) , a laboratory assistant measures that a refrigerator that draws 2 kW of power has removed \ ( 3 0 ,...

Read both of the articles The Oregon Health Insurance Experiment - Evidence from the first year (page 2 of 51) Q ! v Q Search The Oregon Health Insurance... THE QUARTERLY JOURNAL OF ECONOMICS Vol....

& STRESS, OCTOBER \u0001 DECEMBER 2003, 17, NO. 4, 321 \u0001/336 WORK VOL. / 12-h workdays: current knowledge and future directions SALAHEDDINE BENDAKw Department of Industrial Engineering, King...

Review each of the research scenarios described below and discuss any concerns you see, Be sure to specifically address each of the following questions for each study. Overall, are there any ethical...

An electric resistance space heater is designed such that it resembles a rectangular box 50 cm high, 80 cm long, and 15 cm wide filled with 45 kg of oil. The heater is to be placed against a wall,...

Researchers would like to compare exercise and meditation to see which is more effective in reducing stress. One hundred people who suffer from high stress volunteer to participate in a study for ten...

Draw a rectangle diagram to represent each product. Use the diagrams to expand each product. a. (x + 3) (x + 4) b. (2x) (x + 3) c. (x + 6) (x 2) d. (x 4) (2x 1)

Figure 2 shows cash flow information with rate of return 12% per year. Determine the future value at year 9. 8,000 6,000 4,000 12% per year 5,400 5,000 5,000 5,000 Figure 2: Cash Flow Diagram years

What options can you use to purchase shares in or withdraw money from an open-end mutual fund?

Write short following terms: Mental Illness Social Control Reasons For Poor Mental Health

Write a note on Sex Education in school.

Discuss the circumstances in which a public company must record financial statement reserves for tax contingencies, supported by specific examples. Advise your client on whether or not to record a...

What are role of Electronic Healthcare Records in Healthcare.

Alice Klein wondered what she should do next as she hung up the phone. As vice president of sales for New World Manufacturing, she was responsible for more than 200 salespeople around the country....

Problem 14-13 Fill in the table below for the following zero-coupon bonds, all of which have par values of $1,000. Assume annual compounding, (Round your answers to 2 decimal places.) Price $ s...

PLEASE HELPPP Last Monday you bought 100 shares of PG stock for $142.58. It paid a dividend of $0.87 per share on Tuesday, and you sold it today for $144.29. What was the return you realized for this...

First City Bank pays 7 percent simple interest on its savings account balances, whereas Second City Bank pays 7 percent interest compounded annually. If you made a $59,000 deposit in each bank, how...