Question: The Energy Guide label on a washing machine indicates that the washer will use $85 worth of hot water per year if the water is

The "Energy Guide" label on a washing machine indicates that the washer will use $85 worth of hot water per year if the water is heated by an electric water heater at an electricity rate of $0.113/kWh. If the water is heated from 12 to 55°C, determine how many liters of hot water an average family uses per week. Disregard the electricity consumed by the washer, and take the efficiency of the electric water heater to be 91 percent.

Step by Step Solution

★★★★★

3.50 Rating (173 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

A washing machine uses 85year worth of hot water heated by an electric water heater The amount ... 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)

837-P-T-S-L (660).docx

120 KBs Word File

Students Have Also Explored These Related Thermodynamics Questions!

The Energy Guide label on a washing machine indicates that the washer will use $85 worth of hot water per year if the water is heated by an electric water heater at an electricity rate of $0.082/kWh....

The label on a washing machine indicates that the washer will use $85 worth of hot water if the water is heated by a 90 percent efficient electric heater at an electricity rate of $0.09/kWh. If the...

A house is heated by an electric heat pump using the outside as the low-temperature reservoir. For several different winter outdoor temperatures, estimate the percent savings in electricity if the...

The Energy Guide label on a washing machine indicates that the washer will use $33 worth of hot water if the water is heated by a gas water heater at a natural gas rate of $1.21/therm. If the water...

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 ....

The label on a washing machine indicates that the washer will use $85 worth of hot water if the water is heated by a 90 percent efficient electric heater at an electricity rate of $0.125/kWh. If the...

X = 9, Y = 1 Question: A new salt factory is being developed at a remote location in salt affected region of Victoria. This factory does not have access to utilities such as grid electricity, piped...

Lone Star Lodging INTRODUCTION Sitting at his desk reviewing the results of the last year, Jack Smith reflected on his second year as General Manager of the Lone Star Motel. Next week is the Regional...

Thirty-one percent of people in the United States have type A+ blood. You randomly select 40 people in the United States and ask them whether their blood type is A+. Find the probability that the...

Vera Babbitt, a mischievous prankster, called and told her friend Michelle Fleischer that Michelle's fiance Gary Dunn was in a booth at the Hardball Sports Bar making out with an old girlfriend....

39. The Democrat and Chronicle reported that 25% of the flights arriving at the San Diego airport during the first five months of 2001 were late (Democrat and Chronicle, July 23, 2001). Assume the...

Describe and discuss the last time you were affected by some form of classical conditioning in your shopping behaviour.

Compare the designs resulting from the tasks assigned in Probs. 1629 and 1630. What have you learned? What recommendations do you have?

A 6-in-wide polyamide F-1 flat belt is used to connect a 2-in-diameter pulley to drive a larger pulley with an angular velocity ratio of 0.5. The center-to-center distance is 9 ft. The angular speed...

Perspective and insight can be gained by doubling all geometric dimensions and observing the effect on problem parameters. Take the drive of Prob. 171, double the dimensions, and compare.

Tax credits A U.S.-based MNC has a foreign subsidiary that earns $258,000 before local taxes, with all the after-tax funds to be available to the parent in the form of dividends. The applicable taxes...

please only answer the blank, not the excel sheet Your father is 50 years old and will retire in 10 years. He expects to live for 25 years after he retires, until he is 85 . He wants a fixed...

Problem 8 You want to buy a parcel of land in an area of town in the direction of future development. The lot costs $50,000. The annual payments on a loan to buy the lot would be $6,202.94. If the...