Answered: What is the efficiency of an engine…

Science

Physics

What is the efficiency of an engine that exhausts 840 J of heat inthe process of doing 360 J of work?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter12: Thermal Energy

Section: Chapter Questions

Problem 70A

See similar textbooks

Related questions

Q: What is ideal efficiency of an automobile engine in which fuel is heated to 2700K and the outdoor…

A: Ideal efficiency of an engine is nothing but Carnot efficiency,Efficiency of Carnot cycle is given…

Q: If 100 J of heat is added to a system that does 40 J of external work, by how much is the internal…

A: Given Data: The heat energy added is, H = 100 J. The work done is, W = 40 J. Let ∆E be the change…

Q: A heat engine receives 500 j of heat from its combustion process and loses 391 J through the exhaust…

A: Given data: Heat input (Qin) = 500 J Heat loss = 391 J Required: The efficiency of heat engine

Q: discards

Q: if your water heat has an efficiency of 95%, how much energy would it take to heat 45 kg of water…

A: The heat energy required to raise the temperature of the water is given by, Q=mcTf-Ti Here, m is the…

Q: If 10 lbs of water evaporated at atmospheric pressure until a volume of 188.5 ft3 is occupied, how…

Q: A heat engine converts 144.0 kcal from a supply of 352.0 kcal into work. How much mechanical work…

Q: Suppose a woman does 350 J of work and 9700 J of heat is transferred from her into the environment…

A: Work done = 350 Joules Heat transferred into environment = 9700 Joules

Q: An automobile engine has an efficiency of 22.0% and produces 2510 J of work. How much heat is…

A: Given in question efficiency η= 22%=0.22 work w = 2510 JAsked in question Heat…

Q: The heat that goes into a particular Carnot engine is 4.00 timesgreater than the work it performs.…

A: Input heat = 4 times work done

Q: An automobile engine has an the heat rejected by the engine. efficiency of 20% and produces 6000 J…

A: Given value--- efficiency = 20 percent. Work = 6000 J. We need to find--- Find the heat rejected…

Q: A heat engine with an efficiency of 24.0% performs 1250 J of work. Find (a) the heat absorbed…

A: efficiency = 24 % Work , W = 1250 J

Q: What is the maximum efficiency attainable by an engine with reservoirs of 127 °C and 37 °C?

Q: What is the intensive and extensive property of thermodynamics?

A: Intensive properties are those properties whose values do not depend on the quantity of matter.…

Q: What is the mechanical work output per cycle and thermal efficiency of an engine that takes 19 kJ of…

A: Please see the answer below.

Q: If a heat engine's efficiency is 20% and 1.5 million joules of energy are put into it, how much work…

Q: How much heat is needed to produce 13 J of energy from a heat en- gine with an efficiency of 0.3?

Q: What is the efficiency of a heat engine that does 1250 J of work and gives off 5250 J of heat to the…

A: Let the heat given to hot reservoir be QH, the heat given to the cold reservoir be QC, the work done…

Q: A lawnmower engine ejects 2.55 ✕ 104 J each second while running with an efficiency of 0.235. Find…

A: Given: Rate at which the lawnmower engine rejects energy = Qc = 2.55 x 104 J/s The rate at which the…

Q: You perform maintenance on an engine, increasing its efficiency by 5 %. How much more work is…

A: Given data : Efficiency, Input heat,

Q: How much heat is added by the pump to 1 pound of the refrigerant and mustbe removed without doing…

A: We have to find that how much heat is added by the pump to 1 pound of the refrigerant and must be…

Q: If a heat engine's efficiency is 30% and its work output is 2000J, how much thermal energy must have…

A: Efficiency of heat engine,

Q: What work done on the system if the change in internal energy results to - 300j when the system…

A: To determine: The work done on the system Given: Change in internal energy, ∆U=-300 J Heat…

Q: The thermal efficiency of a general heat engine is 35 percent, and it produces 60 hp. At what rate…

Q: A machine absorbed 500 J of heat and delivered 600 J of work. How much of internal energy of the…

Q: A heat engine does 20 J of work while exhausting 30 J of waste heat. What is the engine’s…

Q: Radiant energy is proportional to A. T В. Т? C. T D. T

Q: a car engine releases 325 J of heat and pushing the piston doing 400J of work. Does the system…

A: Given that, The heat released, Q = -325 J (Heat released is negative) Work done by the piston, W =…

Q: An engine is proposed that is to operate between 200°C and 50°C with an efficiency of 35%. Will the…

A: TH = 200°C Tc = 50°C efficiency = 35 %

Q: The heat machine receives 1200 J of heat from high-tempera turo heat source and re lease the heat of…

A: The thermal efficiency (η) also the performance of a machine is expressed as the fraction of heat…

Q: What is the efficiency of a steam engine with a heat input of 1000 K and a steam output of 400 K?

Q: changes from 0.567 m² to 0.283 m?. What are a) AU b) AH c) Q d) AS e) if the process is non flow and…

Q: Under what conditions would a heat engine be 100% efficient?

Q: What does the A thermodynamic system include?

A: A thermodynamical system

Q: thermal energy

Q: What is the change in internal energy of a system that does 7 kJ of work and absorbs 800 J of heat?

A: Given : Energy absorbed by the system, Q = 800 J Work done by the system = 7 kJ Required : Change…

Q: A heat engine does 200J of work while exhausting 600J of heat to the cold reservoir. What is the…

A: The expression for find efficiency of the engine is η=WQH=WW+QC

Q: A 150J of energy is added to a system that does 50J of work. By how much will the internal energy of…

A: Answer:- Given Energy was added to the system (Q) = +150 J Work done by the system (W) = + 50 J…

Q: How much work is required to lift a 300-kgkg refrigerator to the second-story level?

Q: What happens to the efficiency of a heat engine when the temperature of a reservoir into which…

A: Efficiency of heat engine can be given as:

Q: An engine releases 0.350 kJ of heat for every 0.910 kJ of work it does. What is the efficiency of…

A: Efficiency can be defined as the ratio of workdone to the amount of energy used. Efficiency, η=WQ

Q: In performing 100.0 J of work, an engine discharges 50.0 J of heat. What is the efficiency of the…

A: Given data The work of the engine is, W=100.0 J The heat discharge is, Q2=50.0 J The work of the…

Question

What is the efficiency of an engine that exhausts 840 J of heat in
the process of doing 360 J of work?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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

A 300-W heat pump operates between the ground, whose temperature is 0 , and the interior of a house at 22 . What is the maximum amount of the heat per hour that the heat pump can supply to the house?
A coal power plant consumes 100,000 kg of coal per hour and produces 500 MW of power. If the heat of combustion of coal is 30 MJ/kg, what is the efficiency of the power plant?
A coal power plant consumes 100,000 kg of coal per hour and produces 500 MW of power. If the heat of combustion of coal is 30 MJ/kg, what is the efficiency of the power plant?
A Carnot refrigerator, working between 0 and 30 is used to cool a bucket of water containing 102 m3 of water at 30 to 5 in 2 hours. Find the total amount of work needed.
A Carnot heat pump operates between 0 and 20 . How much heat is exhausted into the interior of a house for every 1.0 J of work done by the pump?
(¦ Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . According to the First law of thermodynamics, under what conditions would it be possible For a system to absorb heat from its surroundings yet suffer no change in its internal
An ideal heat pump is being considered for use in heating an environment with a temperature of 22.0C. What is the cold reservoir temperature if the pump is to have a coefficient of performance of 12.0 ?
During the isobaric expansion from A to B represented below, 130 J of heat are removed from the gas. What is the change in its internal energy?
A Carnot refrigerator exhausts heat to the air, which is at a temperature of 25 . How much is used by the refrigerator if it freezes 1.5 g of water per second? Assume the water is at 0 .
Many decisions are made on the basis of the payback period: the time it will take through savings to equal the capital cost of an investment. Acceptable payback times depend upon the business or philosophy one has. For some industries, a payback period is as small as 2 yeas) Suppose you wish to install the extra insulation in the preceding problem. If energy cost $1.00 per million joules and the insulation was $4.00 per square meter, then calculate the simple payback time. Take the average T for the 120-day heating season to be 15.0 .
An engine doing work isothermally takes in 10kJ and exahusts 1kJ. What is the efficiency of the engine?
What is the efficiency of an engine that doing work isothemally takes in 10kJ and exhausts 1 kJ?