A car uses an average power of 25 hp for a one hour round trip. With a

Question:

A car uses an average power of 25 hp for a one hour round trip. With a thermal efficiency of 35% how much fuel energy was used? What happened to all the energy? What change in entropy took place if we assume ambient at 20oC?

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

See More Books

Question Posted: Feb 23, 2016 06:59 AM

See More Questions

A generator supplies an average power of 12 MW through a transmission line that has a resistance of 10.0 . What is the power loss in the transmission line if the rms line voltage rms is? (a) 15 kV...
A "75-watt" lightbulb uses an average power of 75 W when connected to an rms voltage of 120 V. (a) What is the resistance of the lightbulb? (b) What is the maximum current in the bulb? (c) What is...
A 60.0-Hz generator delivers an average power of 75 W to a single light bulb. When an induced current exists in the rotating coil of a generator, a torque-called a countertorque-is exerted on the...
A nutritionally defective E. coli strain grows only on a medium containing thymine, whereas another nutritionally defective strain grows only on a medium containing leucine. When these two strains...
What are the eight ways a client funds account is abused?
Solve the system by the method of elimination and check any solutions algebraically. 1. 2. 3. (2x 2 [2r y = (6 + 8y %3D 39 (12x + 42y = -17 30x 18y = 19
Heres a bad plan for combining two questions into an index. The bad index planner wants to measure concern about China, and he decides to use these two ANES variables: china_econ: effect of Chinas...
Walkin Inc. is considering the write-down of its long-term plant because of a lack of profitability. Explain to the management of Walkin how to determine whether a write-down is permitted.
Record the second month's lease payment. (Credit account titles are automatically indented when amount is entered. Do not indent manually. Round answers to 0 decimal places, e.g. 5,275.) Account...
There has been a lot of debate about whether the existence of a marketing department can actually be harmful to services companies because it absolves everybody else of marketing responsibilities....
A cylinder/piston contains air at ambient conditions, 100 kPa and 20C with a volume of 0.3 m3. The air is compressed to 800 kPa in a reversible polytropic process with exponent, n = 1.2, after which...
A reversible heat pump uses 1 kW of power input to heat a 25oC room, drawing energy from the outside at 15oC. Assuming every process is reversible, what are the total rates of entropy into the heat...
Use a parametrization to find the flux across the surface in the specified direction. Across the sphere x 2 + y 2 + z 2 = a 2 in the direction away from the origin JsF.n do JJ S
3) A spider crawls with constant speed vo on a phonograph turntable rotating with constant angular speed w in the xy plane on a radially outward path, relative to the centre of the turntable. The...
Question Encik Zubir ( a certified handicapped person ) is the owner of a financial consulting firm, Bijak Wealth Enterprise. The business assists its clients to grow their wealth. Encik Zubir is...
What is XYZ Corp.'s net cash flow XYZ Corp. (for 2020) Revenue $5,000,000 Wages: $1,000,000 D&A: $1,000,000 Property, Plant & Equipment investment: $1,500,000 Tax Rate: 35% NOWC (2020): $750,000 NOWC...
Tower x (m) y (m) UU3 -118.1 -15.6 OU1 -85.3 -15.9 Sensor heights (m) 3.19, 4.16, 5.04, 7.24, 9.84 1.5, 3.0, 5.46, 9.86, 15.65 OU2 -90.0 -8.3 1.5, 2.96, 5.97, 9.91, 15.08 ASU -22.8 -8.6 5.0 UUT -13.3...
For each of the matrices determine the value(s) of c for which the given matrix is not invertible. [4 25. 26. 3 5 } ] 6 27. 28. 2 c+4 C -8 c-6]
Which of the following is incorrect about the annual rate of return technique? (a) The calculation is simple. (b) The accounting terms used are familiar to management. (c) The timing of the cash...
Assume you are the accountant for Catalina Industries. John Catalina, the owner of the company, is in a hurry to receive the financial statements for the year ended December 31, 20X1, and asks you...
Consider the following statement: The quality of your thinking is the most important component of an information system. Do you agree with this statement? Do you think it is even possible to say that...
Rework Problem 9.25 except that the compression ratio and cutoff ratio are, respectively, a) 16 and 2 b) 20 and 1.75. Heat is added in the amount of 800 kJ/kg of air to a diesel cycle with a...
Using the air tables in Appendix F-1, determine the maximum cycle temperature, the net work, the efficiency, and the MEP for the cycle of a) Problem 9.25, b) Problem 9.26a. Heat is added in the...
Heat is added in the amount of 300 Btu/lbm of air to a diesel cycle, with a compression ratio of 22 and a cutoff ratio of 2. Air enters the engine at 14.7 psia and 77F. Determine, using a cold-air...
A first-time shareholder has approached you requesting some advice. The shareholder has received the company's annual report and noticed the following statement in the summary of significant...
View Policies Current Attempt in Progress REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 1 0 2 snowboards...
*Please explain how you got the answers* The following costs result from the production and sale of 1,000 drum sets manufactured by Tight Drums Company for the year ended December 31, 2019. The drum...

A car uses an average power of 25 hp for a one hour round trip. With a

Question:

Step by Step Answer:

Since it is a round trip there are no changes in storage of energy for the car after i...View the full answer

Fundamentals of Thermodynamics

Students also viewed these Thermodynamics questions