Question: A house is maintained at 25C in winter by electric resistance heaters. If the outdoor temperature is 2C, the second-law efficiency of the resistance heaters

A house is maintained at 25°C in winter by electric resistance heaters. If the outdoor temperature is 2°C, the second-law efficiency of the resistance heaters is
(a) 0%
(b) 7.7%
(c) 8.7%
(d) 13%
(e) 100%

Step by Step Solution

★★★★★

3.38 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

A house is maintained at 25C in winter by electric resistance heaters If the outd... 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 (2293).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

A house is maintained at 21C in winter by electric resistance heaters. If the outdoor temperature is 9C, the second-law efficiency of the resistance heaters is (a) 0% (b) 4.1% (c) 5.7% (d) 25% (e)...

A house is maintained at 1 atm and 24C, and warm air inside a house is forced to leave the house at a rate of 150 m3/h as a result of outdoor air at 5C infiltrating into the house through the cracks...

8-146 Liquid water enters an adiabatic piping system at 15C at a rate of 5 kg/s. It is observed that the water temperature rises by 0.5C in the pipe due to friction. If the environment temper- ature...

The requirement of the project are: 1) You need to provide scenario or requirement in the text file. 2) Implement the scenario by using java programming concepts discussed in the class only. It...

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,...

ANSWER ALL QUESTIONS. BE SURE TO ANSWER 2 -1 C What is the difference between the macroscopic and microscopic forms of energy? 2-2C What is total energy? Identify the different forms of energy that...

helpQUESTION 3 Datuk Ali Sdn Bhd ( DASB ) produces floor fan that passes through TWO ( 2 ) processing departments namely Assembly Department and Finishing Department. All direct materials are added...

Bauer Industries is an automobile manufacturer. Management is currently evaluating a proposal to build a plant that will manufacture lightweight trucks. Bauer plans to use a cost of capital of 12% to...

Gail Dribble is a financial analyst at Hill Propane Distributors. Gail must provide a financial analysis of the decision to replace a truck used to deliver propane gas to residential customers. Given...

Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40 teddy bears per hour on its assembly line. Use the information provided in Table to answer the...

The Greenwich Bank & Trust Co. (GB&T) opened in 1998 and by 2008 had expanded to a total of four branches in the Greenwich, Connecticut, community of 62,000 residents. A competitor using the name...

A. Design a FSM given in the state diagram using T flip-flop. Use the given state table in your design procedure. Draw the logic diagram of the given FSM using T flip flop. 0/0 001 1/1 0/0 1/0 (100...

On 1 January 2018, ABC bought a grinding machine for Rs. 700,000. It has an expected useful life of 7 years and a nil residual value. On 30 September 2020, ABC decides to sell the machine and starts...

A commercial fitness and gym equipment's company is considering setting up a gym with a land that can be purchased for BD400,000. Construction cost for the gym equipment's and the decoration is...

Revise the following wordy, dense paragraphs into a set of concise instructions. Include a short introductory statement. As a visitor and customer to our catalog website, you can place an order by...

Scenario 13-1 The information below applies to the following problem(s). The president of Real Time Inc. has asked you to evaluate the proposed acquisition of a new computer. The computer's price is...

A stock was selling for $ 2 0 per share a year ago. During the year, it paid no dividend. At the end of the year, its price dropped to $ 1 8 . First, compute the percentage return on the stock. T -...

The interest earned on a $ 6 0 0 0 investment was $ 2 4 0 . What was the term in months if the interest rate was 6 % ? Select one: A . 8 months B . 7 months C . 1 2 months D . 4 months E . 9 months