Answered: engine is represented on a PV- diagram,…

engine is represented on a PV- diagram, then the area enclosed by the curve is equal CO the heat absorbed from the hot reservoir the heat released to the cold reservoir

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 40P: Suppose a Carnot engine can be operated between two reservoirs as either a heat engine or a...

See similar textbooks

Related questions

Q: The product pV has the same unit with which of the following ? temperature work density it has no…

A: Answer: The correct option is b) Work. Work done has the same units as the product of Pressure(P)…

Q: Reservoir A has a temperature of 20 degrees C, and reservoir B has a temperature of 45 degrees C. A…

Q: What is the maximum efficiency of a heat engine that operates between a high thermal reservoir at…

A: The maximum effeciency of the heat engine working between source temperature T1 and drain…

Q: A Carnot engine's operating temperatures are 200 ∘C∘C and 44 ∘C∘C. The engine's power output is 950…

A: The relation for the Carnot's engine is THTc=QHQc where, TH is the temperature of source, Tc is the…

Q: A 2.00 L container of left-over soup at a temperature of 323 K is placed in a refrigerator. Assume…

A: Given data The volume of the container is V = 2 L = 2 x 10-3 m3 The initial temperature of the soup…

Q: A water pump that consumes 2 kW of electric power when operating is claimed to take in water from a…

Q: Calculate the efficiency of a fossil-fuel power plant that consumes 380 metric tons of coal each…

A: Heat of Combustion of coal = 28MJ/Kg Amount of coal burnt per hour (given) = 380 metric ton =…

Q: The Carnot engine takes 1,000 kcal from a reservoir of 627°C and releases it to a reservoir of 27°C.…

Q: A heat pump with a COP of 2.5 supplies ener gy to a house at a rate of 60,000 Btu/h. Determine (a)…

A: a) The COP is given by,

Q: The Carnot machine works between two thermal tanks, the temperature of which is 400K and 600K, so if…

A: Given Data: The temperature of the hot reservoir is, Th = 600 K. The temperature of the cold…

Q: A heat engine receives heat from a heat source at 1200°C and has a thermal efficiency of 40 percent.…

Q: Heat is transferred to a heat engine from a furnace at a rate of 80 MW. If the rate of waste heat…

Q: A heat engine operates between two reservoirs at temperature of 25°c and 300°c what is the maximum…

A: Temperature of higherthermal reservoir TH=3000c = 573kLower…

Q: A heat engine receives heat from a heat source at 1200°C and rejects heat to a heat sink at 50°C.…

Q: A heat engine operates between two temperatures such that the working substance of the engine…

Q: A gas is compressed inside a cylinder (see the figure below). Higher temperature An average force of…

Q: In a reciprocating air compressor, high pressure air in the cylinder pushes the piston against the…

Q: The engine that powers a crane burns fuel at a temperature of 1500 oC. It is cooled by air at a…

A: by carnot's engine efficiency

Q: What law of thermodynamics states that energy can be transformed? First Law (Law of Conservation of…

A: First law of thermodynamics : Energy can neither be created nor be destroyed , but converted into…

Q: A heat pump is used to heat a house in the winter and then reversed to cool the house in the summer.…

Q: All of the following are factors directly affecting the work by an ideal gas except: O pressure in…

A: The work done by an ideal gas depends on several factors like pressure, volume , temperature , etc.…

Q: Gas with volume of 5 L (litre) and under pressure 10 kPa, is subjected to isothermal transformation.…

A: From ideal gas law, in an isothermal pressure the pressure and volume are related as:

Q: A heat engine takes in 1500 Joules of heat at 2000 K bad rejects 950 Joules of heat at 1000 K. Find…

A: heat input, QH = 1500 J Hot reservoir temperature, TH = 2000 K heat rejected, Qc = 950 J cold…

Q: The Carnot machine operates between two heat reservoirs whose temperatures are 400K and 600K. It…

Q: Air is heated into a container. During heating 2 kj of heat is transfered to the air and 1 kJ of…

A: The heat energy is the sum of internal energy and work done. The SI unit of internal energy is…

Q: A heat engine operates with sink temperature 25 degree with the efficiency of 30%.By how many…

Q: In a certain process, the energy of the system decreases by 250 kJ. The process involves 480 kJ of…

A: In a closed system, the net change in the total energy of the system is mathematically given as,…

Q: The zeroth law of thermodynamics allows us to measure: * Temperature Kinetic energy Specific heat…

A: According to zeroth law of thermodynamics, if two systems are each in thermal equilibrium with a…

Q: The electric motor of a heat pump transfers energy as heat from the outdoors, which is at -5.0 C, to…

Q: The specific heat of a gas depends on the process by which the gas changes state. In this chapter,…

A: At constant pressure = Cp

Q: An automobile engine provides 626 Joules of work to push the pistons. In this process the internal…

A: Given : change in internal energy, ΔU = -2946 J Work done by engine, W = 626 J

Q: consider a diatomic ideal gas system that has the variables of pressure and volume .When this gas is…

A: For the first process, pressure variable triples at constant volume. When volume, V is constant,…

Q: In order to cool 1-ton of water at 20C in an insulated tank, a person pours 80 kg of ice at 25C into…

Q: ) When two objects are in then heat flows out from hot to cold. During this process the internal…

A: Hello. Since you have posted multiple questions with multiple subparts and not specified which…

Q: A Carnot engine produces 25 kW while operating between temperature limits of 10000K and 3000K…

Q: A freezer is used to freeze 1.0 L of water completely into ice. The water and the freezer remain at…

A: (a)The mass of the water in 1.0 L is,

Q: Choose the BEST answer to the following: Heat engines, such as a jet engine, are more efficient when…

A: Ideal efficiency depends on the temperature difference between the input and exhaust (output).…

Q: A heat engine: converts heat input to an equivalent amount of work converts work to an equivalent…

Q: an ideal gas is compressed in a well insulated chamber using a well insulated piston. this process

A: Introduction: The adiabatic process of gas is the free expansion of the gases, and there is no heat…

Q: A Carnot refrigerator operates in a room in which the temperature is 25 degrees C. The refrigerator…

Q: a vertical piston cylinder assembly containing water is being heated on a stove. during this…

A: Given data: Heat transferred to the water is, Qin= 100 kJ Work done is, W=10 kJ Heat loss is, Qout=…

Q: A Carnot heat engine receives 650 kJ of heat from a source of unknown temperature and rejects 250 kJ…

A: given: QH = 650 kJ Qc = 250 kJ Tc = 24 degree C = 297 K

Question

If the cyclic process in a heat
engine is represented on a PV-
diagram, then the area
enclosed by the curve is equal
to
the heat absorbed from the hot
reservoir
the heat released to the cold
reservoir
the net work done by the engine
the thermal efficiency of the engine
O none of the above

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

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

Check your Understanding Show that QhQh=QcQc for the hypothetical engine of Figure 4.10 The second property to be demonstrated is that all reversible engines operating between the same two reservoirs have the same efficiency. To this, stat with the two engines D and E of Figure 4.10 (a), which are operating between two common heat reservoirs at temperatures Th and Tc . First, assume that D is a reversible engine and that E is a hypothetical irreversible engine that has a higher efficiency than D. If both engines perform the same amount of work W per cycle, it follows from Equation 4.2 that QhQh . It then follows from the first law that QcQc . Figure 4.10 (a) Two uncoupled engines D and E working between the same reservoirs. (b) The engines, With D working reverse. Suppose the cycle of D is so that it operates as a refrigerator, and the two engines are coupled such that the work output of E is used to drive D, as shown in Figure 4.10(b). Since QhQh and QcQc , the net result of each cycle is equivalent to a spontaneous transfer of heat from the cold reservoir to the hot reservoir, a process second law does not allow. The original assumption must therefore be wrong, and it is impossible to construct an irreversible engine such that E is more efficient than the reversible engine D. Now it is quite easy to demonstrate that the efficiencies of all reversible engines operating between the same reservoirs are equal. Suppose that D and E are reversible engines. If they are as shown in Figure 4.10(b), the efficiency of E cannot be greater than the efficiency of D, or second law would violated. If both engines are then reversed, the same reasoning implies that the efficiency of D cannot be greater than the efficiency of E. Combining these results leads to the conclusion that all reversible engines working between same two reservoirs have the same efficiency.
Calculate the net work output of a heat engine following path ABCDA as shown below.
The energy output of a heat pump is greater than the energy used to operate the pump. Why doesn't this statement violate the first law of thermodynamics?
A refrigerator has a coefficient of performance of 3.0. (a) If it requires 200 J of work per cycle, how much heat per cycle does it remove the cold reservoir? (b) How much cycle is discarded to the hot reservoir?
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 refrigerator has a coefficient of performance of 3.0. (a) If it requires 200 J of work per cycle, how much heat per cycle does it remove the cold reservoir? (b) How much heat per cycle is discarded to the hot reservoir?
Consider the processes shown below. In the processes AB and BC, 3600 J and 2400 J of heat are added to the system, respectively. (a) Find the work done in each of the processes AB, BC, AD, and DC. (b) Find the internal energy change in processes AB and BC. (c) Find the internal energy difference between states C and A. (d) Find the total heat added in the ADC process. (e) From the information give, can you find the heat added in process AD? Why or why not?
Suppose a Carnot refrigerator operates between Tc and Th . Calculate the amount of work required to extract 1.0 J of heat from the cold reservoir if (a) Tc=7C,Th=27C; (b) Tc=73C,Th=27C; (c) Tc=173C,Th=27C; and (d) Tc=273C,Th=27C;
In performing 100.0 J of work, an engine discharges 50.0 J of heat. What is the efficiency of the engine?
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?
Check Your Understanding A Carnot refrigerator operates between two heat reservoirs whose temperatures 0 and 25 . (a) What is the coefficient of performance of the refrigerator? (b) If 200 J of work done on the working substance cycle, how heat per cycle is from cold reservoir? (c) How much heat cycle is discarded to the hot reservoir?
A Carnot engine operates between reservoirs at 600 and 300 K. If the engine absorbs 100 J per cycle at the hot reservoir, what is its work output per cycle?