a) All reversible cycles have the same efficiency b) Reversible cycle has more efficiency than an irreversible one c) Carnot cycle is a reversible one d) Carnot cycle has the maximum efficiency of the cycles

Q: A Carnot engine is operated between two energy tanks with temperatures of 450 K and 350 K. and they…

A: For Carnot engine: TH = 450 K TL = 350 K Heat received QH = 1000 J   Find: a- how much energy the…

Q: For a power cycle operating as shown in the figure, Wcycle = 800 Btu and Qout = 1750 Btu. Hot body…

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Q: The temperature of the cold reservoir of the engine is 305 K. It has an efficiency of 0.23 and…

A: The problem can be solved by using the concept of efficiency of a heat engine. The answer for the…

Q: n moles of CH4, considered as an ideal gas, are taken through the following thermodynamic cycle: A…

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Q: A heat pump takes in 440J of heat from a low temp reservoir in each cycle and uses 200J of work to…

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Q: How does the ideal Diesel cycle differ from the ideal Otto cycle?

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Q: you have 1.0 kg of ice with the temperature -20.0 C a) what amount of heat is needed to convert the…

A: Given: m=1kg, T1=-20°C, T2=20°C (a) The specific heat of ice, water, and latent heat of fusion of…

Q: A heat engine operates in a Carnot cycle between 70.0°C and 345°C. It absorbs 20,800 J of energy per…

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Q: A Carnot engine has an efficiency of 0.93 and the temperature of its cold reservoir is 81 K. If the…

A: The efficiency of the heat engine is given by, η=WQH Here, W is the work output and QH is the heat…

Q: QUESTION 7 A particular heat engine has a mechanical power output of 5.00 kW and an efficiency of…

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Q: Calculate the work done in Joules by an engine during this reversible cycle. 9 p(atm) 2 8 7 6 5 4 3…

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Q: The four processes for a Carnot Cycle are:     isobaric expansion, isentropic expansion, isobaric…

A: Answer - The correct option is (4) isothermal expansion, isentropic expansion, isothermal…

Q: The energy of an isolated system must remain constant, but the entropy can only decrease O True…

A: A closed thermodynamic system is a system which is cut off from the surrounding. It exchanges…

Q: A thermal cycle has an efficiency equal to 45.0 % of that a Carnot engine that operates between the…

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Q: A Carnot heat engine receives heat from a thermal energy reservoir at 1150°C and has a thermal…

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Q: A Carnot heat engine that uses ice at 0°C as cold resevoir does 1500 J of work per cycle, and…

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Q: A cycle is to be designed to have an “efficiency of 0.78 between the temperature reservoirs . If the…

A: Given a cycle is to be designed to have an “efficiency of 0.78 between the temperature reservoirs .…

Q: carnot engine operates using a cold reservior and a hot reservior. If the temperature of the cold…

A: Concept   Carnot Engine  T1= temperature of cold reservoir T2=temperature of heat reservoir (n)…

Q: Question 13 The coefficient of performance of a refrigerator is 2 . It absorbs 50 J of heat from the…

A: Concept: Here, the question is from Thermodynamics. Given in the Question The Coefficient of…

Q: A Carnot engine operates in a Carnot cycle between a heat source at 550 °C and a heat sink at 20 °C.…

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Q: The thermal efficiency of a reversible power cycle operating between hot and cold reservoirs is 70%.…

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Q: Predict how the efficiency of a gasoline engine will change when the temperature outside decreases…

A: The efficiency of a Carnot cycle is determined by  η = (Th - Tc)/Th  where, η = efficiency Tc =…

Q: A heat engine with an efficiency of 0.21 absorbs 400 J of heat per cycle. Hint a. How much work does…

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Q: A heat engine takes in 340 J of energy from a hot reservoir and performs 22.0 J of work in each…

A: (a) Find the efficiency of the engine. e=WQ×100=22.0 J340 J×100=0.065×100=6.5%

Q: In the house to rooms are separated by a wall made of brick 4 inch thick Room A is held a constant…

A: Temperature of room A (TA)=300 K Area of wall in room A (AA)=12 m2 Temperature of room B (TB)=273 K…

Q: Consider the following statements about entropy, related to the second law of thermodynamics…

A: Entropy related to the second law of thermodynamics: Entropy is a non-conserved quantity. The total…

Q: The surface of the Sun is approximately at = 700 K, and the temperature of the Earth’s surface is…

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Q: A Carnot machine produces 100 kW of power operating between two 100°C and 1000°C temperature…

A: Solution:   As per the given data,

Q: An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What…

A: Given:The mass of the ice cube is, .The temperature of ice cube is, .The volume of water in thermos…

Q: A heat pump has a coefficient of performance of 2.2 in heating mode. If it requires 140 J of work…

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Q: Using the associated equations learned from the first law of thermodynamics derive the equations for…

A: CARNOT CYCLE

Q: 10. A car motor releases 700 J of energy into the cooling system. It is a combustion motor which Is…

A: given: heat release QC = 700 J efficiency η=50 % we have to find work done: W and if heat absorbed…

Q: Why is the Diesel cycle more efficient (in thermodynamic terms) than the Otto cycle? a) Because the…

A: Diesel engines have more efficient than the otto cycle .

Q: In each cycle of its operation, a refrigerator removes 13 J of heat from the inside of the…

A: Given data The heat removed by refrigerator is QL=13 J The heat released into the room is QH=36 J…

Q: Please solve this question,Only if you have knowledge in this concept. Do not post random solutions.

A: Entropy change of the source : Given:Tsource = 400+273 = 673 KQsource = 700 KJ…

Q: A heat engine with efficiency 10 percent of a Carnot engine operating between a high temperature of…

A: Solution: Given: η1 = efficiency of heat engine = 10% of η2 η2 = efficiency of Carnot engine…