College Physics
1st Edition
ISBN: 9781938168048
Author: Paul Peter Urone, OpenStax, Roger Hinrichs
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 15, Problem 29PE
A gas−cooled nuclear reactor operates between hot and cold reservoir temperatures of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A gas-cooled nuclear reactor operates between hot and cold reservoir temperatures of 700C and 27.0C. (a) What is the maximum efficiency of a heat engine operating between these temperatures? (b) Find the ratio of this efficiency to the Carnot efficiency of a standard nuclear reactor.
Problem 9.00 SI
At the beginning of the compression process of an air-standard Otto cycle, P - 1 bar and T, - 300 K. The compression ratio is 8.5 and the heat addition per unit mass of air is 1400 k/kg.
Determine:
(a) the maximum temperature of the cycle, in K.
(b) the net work, in k/kg.
(c) the percent thermal efficiency of the cycle.
(d) the mean effective pressure, in kPa.
v Part A
Determine the maximum temperature of the cycle, in K.
Tmax =
the tolerance is +/-2%
Click if you would like to Show Work for this question: Open Show Work
By accessing this Question Assistance, you will learn while you cam points based on the Point Potential Policy set by your instructor.
Attempts: 0 of 1 used
SAVE FOR LATER
SUBHIT ANSWER
Earn Maximum Points available
only if you answer this question
correctly in your first attempt.
Part B
The parts of this question must be completed in order. This part will be avaliable when you complete the part above.
Part C
The parts of this question must be completed…
one of the most efficient engines ever built (actual efficiency 42.0%) operates between 430°C and 1 870°C. (a) What is its maximum theoretical efficiency? (b) How much power does the engine deliver if it absorbs 1.40 105 J of energy each second from the hotreservoir?
Chapter 15 Solutions
College Physics
Ch. 15 - Describe the photo of the tea kettle at the...Ch. 15 - The first law of thermodynamics and the...Ch. 15 - Heat transfer Q and work done W are always energy...Ch. 15 - How do heat transfer and internal energy differ?...Ch. 15 - If you run down some stairs and stop, what happens...Ch. 15 - Give an explanation of how food energy (calories)...Ch. 15 - Identify the type of energy transferred to your...Ch. 15 - A great deal of effort time, and money has been...Ch. 15 - One method of converting heat transfer to doing...Ch. 15 - Would the previous question make any sense for an...
Ch. 15 - We ordinarily say that U=0 for an isothermal...Ch. 15 - The temperature of a rapidly expanding gas...Ch. 15 - Which cyclical process represented by the two...Ch. 15 - A real process may be nearly adiabatic if it...Ch. 15 - It is unlikely that a process can be isothermal...Ch. 15 - Imagine you are driving a car up Pike’s Peak in...Ch. 15 - Is a temperature difference necessary to operate a...Ch. 15 - Definitions of efficiency vary depending on how...Ch. 15 - Whyother than the fact that the second law of...Ch. 15 - Think about the drinking bird at the beginning of...Ch. 15 - Can improved engineering and materials be employed...Ch. 15 - Does the second law of thermodynamics alter the...Ch. 15 - Explain why heat pumps do not work as well in very...Ch. 15 - In some Northern European nations, homes are being...Ch. 15 - Why do refrigerators, air conditioners, and heat...Ch. 15 - Grocery store managers contend that there is less...Ch. 15 - Can you cool a kitchen by leaving the refrigerator...Ch. 15 - A woman shuts her summer cottage up in September...Ch. 15 - Consider a system with a certain energy content,...Ch. 15 - Does a gas become more orderly when it liquefies?...Ch. 15 - Explain how water’s entropy can decrease when it...Ch. 15 - Is a uniform-temperature gas more or less orderly...Ch. 15 - Give an example of a spontaneous process in which...Ch. 15 - What is the change in entropy in an adiabatic...Ch. 15 - Does the entropy at a star increase or decrease as...Ch. 15 - Explain why a building made of bricks has smaller...Ch. 15 - Explain why a building made of bricks has smaller...Ch. 15 - What is the change in internal energy of a car if...Ch. 15 - How much heat transfer occurs from a system, if...Ch. 15 - A system does 1.80108J of work while 7.50108J of...Ch. 15 - What is the change in internal energy of a system...Ch. 15 - Suppose a woman does 500 J of work and 9500 J of...Ch. 15 - (a) How much food energy will a man metabolize in...Ch. 15 - (a) What is the average metabolic rate in watts of...Ch. 15 - (a) How long will the energy in a 1470kJ (350kcal)...Ch. 15 - (a) A woman climbing the Washington Monument...Ch. 15 - A car tire contains 0.0380m3 S of air at a...Ch. 15 - A heliumfilled toy balloon has a gauge pressure of...Ch. 15 - Steam to drive an old—fashioned steam locomotive...Ch. 15 - A hand—driven tire pump has a piston with a 2.50cm...Ch. 15 - Calculate the net work output of a heat engine...Ch. 15 - What is the net work output of a heat engine that...Ch. 15 - Unreasonable Results What is wrong with the claim...Ch. 15 - (a) A cyclical heat engine, operating between...Ch. 15 - Construct Your Own Problem Consider a car's...Ch. 15 - Construct Your Own Problem Consider a car trip...Ch. 15 - A certain heat engine does 10.0 kJ of work and...Ch. 15 - With 2.56106J of heat transfer into this engine, a...Ch. 15 - (a) What is the work output of a cyclical heat...Ch. 15 - (a) What is the eficiency of a cyclical heat...Ch. 15 - The engine of a large Ship does 2.00108J of work...Ch. 15 - (a) How much heat transfer occurs to the...Ch. 15 - Assume that the turbines at a coal—powered power...Ch. 15 - This problem compares the energy output and heat...Ch. 15 - A certain gasoline engine has an efficiency of...Ch. 15 - A gascooled nuclear reactor operates between hot...Ch. 15 - (a) What is the hot reservoir temperature of a...Ch. 15 - Steam locomotives have an efficiency of 17.0% and...Ch. 15 - Practical steam engines utilize 450C steam, which...Ch. 15 - A coalfired electrical power station has an...Ch. 15 - Would you be willing to financially back an...Ch. 15 - Unreasonable Results (a) Suppose you want to...Ch. 15 - Unreasonable Results Calculate the cold reservoir...Ch. 15 - What is the coefficient of performance of an ideal...Ch. 15 - Suppose you have an ideal refrigerator that cools...Ch. 15 - What is the best coefficient of performance...Ch. 15 - In a very mild winter climate, a heat pump has...Ch. 15 - (a) What is the best coefficient of performance...Ch. 15 - (a) What is the best coefficient of performance...Ch. 15 - Suppose you want to operate an ideal refrigerator...Ch. 15 - An ideal heat pump is being considered for use in...Ch. 15 - A 4ton air conditioner removes 5.60107J (48,000...Ch. 15 - Show that the coefficients of performance of...Ch. 15 - (a) On a winter day, a certain house loses...Ch. 15 - On a hot summer day, 4.00106J of heat transfer...Ch. 15 - A hot rock ejected from a volcano's lava fountain...Ch. 15 - When 1.60105J of heat transfer occurs into a meat...Ch. 15 - The Sun radiates energy at the rate of 3.801026W...Ch. 15 - (a) In reaching equilibrium, how much heat...Ch. 15 - What is the decrease in entropy of 25.0 g of water...Ch. 15 - Find the increase in entropy of 1.00 kg of liquid...Ch. 15 - A large electrical power station generates 1000 MW...Ch. 15 - (a) How much heat transfer occurs from 20.0 kg of...Ch. 15 - Using Table 15.4, verify the contention that if...Ch. 15 - What percent of the time will you get something in...Ch. 15 - (a) If tossing 100 coins, how many ways...Ch. 15 - (a) What is the change in entropy if you start...Ch. 15 - (a) What is the change in entropy if you start...Ch. 15 - (a) If you toss 10 coins, what percent of the time...Ch. 15 - (a) Construct a table showing the macro states and...Ch. 15 - In an air conditioner, 12.65 MJ of heat transfer...
Additional Science Textbook Solutions
Find more solutions based on key concepts
2. (a) The recommended daily allowance (RDA) of the trace metal magnesium is 410 mg/day for males. Express this...
College Physics (10th Edition)
The circuit at tight contains three identical bulbs and an ideal battery. Assume that the resistance of the swi...
Tutorials in Introductory Physics
41. A hollow metal sphere has 6 cm and 10 cm inner and outer radii, respectively. The surface charge density on...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Does the time required for the current in an RL circuit to reach any fraction of its steady-state value depend ...
University Physics Volume 2
S
10. FIGURE EX6.10 shows the velocity graph of a 2.0 kg object as it moves along the x-axis. What is the net ...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Suppose you want to operate an ideal refrigerator with a cold temperature of 10.0C, and you would like it to have a coefficient of performance 7.00. What is the hot reservoir temperature for such a refrigerator?arrow_forwardASAParrow_forwardSuppose an ideal (Carnot) heat pump could be constructed. (a) Using the equation |Qc| |Qh| = Tc Th obtain an expression for the coefficient of performance for such a heat pump in terms of Th and Tc. (COP)ho,C = (b) Would such a heat pump work better if the difference in the operating temperatures were greater or were smaller? (c) Compute the coefficient of performance for such a heat pump if the cold reservoir is 51.0°C and indoor temperature is 64.6°C.arrow_forward
- A reversible heat pump can be utilized for heating in Winter and cooling in Summer. The Coefficient of Performance in heating mode is calculated as: COPheating = ΔQhot / W = Thot / (Thot – Tcold) How would you calculate then the COP in cooling mode?arrow_forwardthrough the turbine is 0.42 kg/s, vwhat is the power output of the turbine in kW? A closed gaseous system undergoes a reversible process in which 30 kJ of heat is rejected a9and the volume changes from 014 m³ to 0.055 m³. The pressure is constant at 150 kPa. Determine (a) the change in internal energy of the system; (b) the work done. A vertical piston cylinder assembly containing water is being heated on a stove. During thisarrow_forward(17 blanks) Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below for a complete cycle of Carnot engine, where the cycle goes from ad->ab->bc->cd Carnot cycle Он TH Ted 2016 Fearson Educaton, Inc. processes; and the volumes involved are Va, Vb, Vc. Vd, and the two processes and segment ab & cd are the Where segments ad & bc are the temperatures TC and Sol. Since AU = 0, then the heat on segment ab is QH = TH In |arrow_forward
- A Carnot engine operates with TL=20°C and has anefficiency of 25%. By how many kelvins should the highoperating temperature TH be increased to achieve an efficiency of 35%?arrow_forwardPLEASE ANSWER IT ASAP FOR AN UPVOTE.arrow_forwardA Carnot machine whose cold reservoir is at a temperature of −900C is efficient 40%. It is necessary to increase this efficiency to 45%. (a) How many degrees Celsius should the temperature of the hot reservoir rise, if the Does the cold reservoir temperature remain constant? (b) How many degrees Celsius should the cold source temperature decrease while maintaining constant the temperature of the hot source?arrow_forward
- A certain gasoline engine has an efficiency of 27.5 %. What would the hot reservoir temperature be, in degrees Celsius, for a Carnot engine having that efficiency, if it operates with a cold reservoir temperature of 200°C?arrow_forwardA sample containing 1.00 kmol of helium (treated as an ideal gas) is putthrough the cycle of operations shown in the figure. BC is an isotherm,and pA = 1.00 atm, VA = 22.4 m3, pB = 2.00 atm. a) Calculate the temperatures TA, TB and volume VC. b) Calculate the work done during the cycle. Recall the expression for work done during an isothermalprocess.arrow_forwardvalue of IC engine is ~35%arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
The Second Law of Thermodynamics: Heat Flow, Entropy, and Microstates; Author: Professor Dave Explains;https://www.youtube.com/watch?v=MrwW4w2nAMc;License: Standard YouTube License, CC-BY