Hot water usage for a house cost per year is $34 that is supplied by an 85

Fantastic news! We've Found the answer you've been seeking!

Question:

Hot water usage for a house cost per year is $34 that is supplied by an 85 percent efficient electric heater at an electricity rate of $0.08/kWh. If the water is heated from 25 to 60°C, the amount of hot water an average family uses per year is

(a) 11.5 tons (b) 15.6 tons (c) 38.7 tons

(d) 20.8 tons (e) 12.3 tons

Related Book For answer-question

Thermodynamics An Interactive Approach

ISBN: 978-0130351173

1st edition

Authors: Subrata Bhattacharjee

See More Books

Posted Date: May 27, 2020 05:12 PM

See More Questions

An electric water heater works by passing electricity through an electrical resistance placed inside the flow of liquid water as shown in the accompanying animation. The specific internal energy and...
An electric water heater supplies hot water at 200 kPa, 80oC at a flow rate of 8 L/min while consuming 32 kW of electrical power as shown in the accompanying animation. The water temperature at the...
Water is heated by hot air in a heat exchanger. The flow rate of the water is 12 kg/s and that of the air is 2 kg/s. The water enters at 40?C and the air enters at 460?C. The overall heat transfer...
A quality improvement program has been instituted in an organization to reduce total quality costs. Discuss the impact of such a program on prevention, appraisal, and failure costs.
Solve each equation. Check your answers by substituting your answer for x. a. 800 = 10x b. 2048 = 2x c. 16 = 0.5x d. 478 = 18.5(10x) e. 155 = 24.0(1.89x) f. 0.0047 = 19.1(0.21x)?
Look at how technical communicators are defined in three different technical communication textbooks. How do these definitions relate to the notions of transmission, translation, and meaning-making...
Refer to the extracts from annual report 2005-06 of the Whirlpool of India Limited regarding its fixed assets, related significant accounting policies and profit/loss on disposal thereof as...
List seven guidelines to follow in developing an organizational chart.
Magic Mountain retires its 9% bonds for $128,000 before their scheduled maturity. At the time, the bonds have a face value of 126,000 and a carrying value of $117,000. Record the early retirement of...
Walgreen Company is a well-known drugstore chain. A condensed balance sheet for August 31, 2011, follows ($ in millions): Use a format similar to Exhibit to analyze the following transactions for the...
Challenger Shuttle Disaster: Discuss the potential awards and risks of 3 scenarios (no launch, successful launch, unsuccessful launch), consider the impact of these scenarios on Morton Thiokol...
The driver of a 2600 kg truck travelling at 13.1 m/s along a level but icy road steps on the 21. brakes. The wheels lock and the tires skid along the icy surface for a distance of 26.2 m before...
Yancey Productions is a film studio that uses a job - order costing system. The company s direct materials consist of items such as costumes and props. Its direct labor includes each film s actors,...
Discuss the overlaps amongst operations, marketing and finance as the three basic functions of management.
Now assume Abdul came to the United States for five days in November of Year 2 . In Year 3 , he comes to the United States from April 1 through April 3 0 , and from June 1 through August 3 0 . Is...
Why do we need zoning and where the right and power to emanate from? Why does the government need Eminent Domain rights? How is there a difference between Trespass and Private Nuisance?
The citizens of Spencer County approved the issuance of $2,010,000 in 6 percent general obligation bonds to finance the construction of a courthouse annex. A capital projects fund was established for...
Without solving, determine the character of the solutions of each equation in the complex number system. 3x 2 3x + 4 = 0
Consider a cogeneration plant. Steam enters the turbine at 8 MPa and 600oC. 20% of the steam is extracted before it enters the turbine and 60% of the steam is extracted from the turbine at 500 kPa...
A 0.2 m3 tank initially contains R-12 at 1 MPa and x = 1. The tank is charged to 1.2 MPa, x = 0 from a supply line that carries R-12 at 1.5 MPa and 30oC. Determine (a) The final temperature. (b) The...
Determine the height of a mountain if the absolute pressure measured at the bottom and top are 760 mm and 720 mm of mercury, respectively. Assume Hg = 13,600 kg/m3 and air = 1.1 kg/m3.
Briefly describe the distinction between requirements and specification.
Give an example of a requirement on a computer printer.
Give an example of a requirement on a digital still camera.

Hot water usage for a house cost per year is $34 that is supplied by an 85

Question:

Expert Answer:

Given that electricity cost per year 34 electricity rate 08 kwh efficiency of ... View the full answer

Thermodynamics An Interactive Approach

Students also viewed these mechanical engineering questions