In Rankine cycle, the work output from the turbine is given by A Change in entropy between inlet and outlet B) Change in temperature between inlet and outlet C Change in internal energy between inlet and outlet D) Change in enthalpy between inlet and outlet

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

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Q: Find the work done in the P-V process from shown in the diagram above

A: It is known that if a P-V diagram is given , then the net work done is equal to the area bounded by…

Q: Calculate the efficiency of an engine for a given cycle of an ideal gas?

A: Efficiency of an engine for a given cycle of an ideal gas is given as shown below.

Q: The attatched pV diagram shows three different cycles: the Otto cycle, the Diesel cycle, and the…

A: GIVEN  PV diagram We can determine the work done from the diagram. In a PV diagram, area under the…

Q: It can be deduced that in the law of entropy: As temperature difference increases, entropy remains…

A: Correct the option is 2.

Q: The surface of the Sun is approximately 5,550 K, and the temperature of the Earth's surface is…

A: Given: The temperature of the sun is Ts = 5550 K The temperature of the earth Te = 298 K The energy…

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

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Q: a) All reversible cycles have the same efficiency b) Reversible cycle has more efficiency than an…

A: Option

Q: Determine the efficiency of a Carnot engine if the work it does is 9.00 times less than the heat…

A: Efficiency of Carnot engine is,  η=work doneheat flow  =wQ

Q: If the cold temperature reservoir of a Carnot engine is held at a constant 342 K, what temperature…

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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 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: The inside and outside temperature of a refrigerator are 273K and 303K respectively. Assuming that…

A: Option

Q: Why is entropy change at constant pressure greater than entropy change at constant volume

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Q: When water vapor condenses, the entropy of the water (A) increases (B) decreases (C) does not change…

A: When water vapor condenses, the entropy of the water(A) increases(B) decreases(C) does not change(D)…

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 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: 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: Calculate the work output of a Carnot engine when 4000 J of heat is transferred to the engine for…

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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: Describe Carnot cycle and derive an expression for its efficiency.

A: Carnot Cycle is considered as an ideal cycle.It is a reversible cycle ,it has four processes and all…

Q: The efficiency of a gas turbine is much larger than that of a steam turbine since   Question 2…

A: INTRODUCTION:- Gas-Turbine: The gas turbine has grow to be an vital, big, and dependable device…

Q: An engine has a hot-reservoir temperature of 900 K and a cold-reservoir temperature of 600 K. The…

A: We are given a heat engine. This heat engine is not Carnot engine. We are given the efficiency of…

Q: How can the thermal conduction of heat from a hot object to a cold object increase entropy when the…

A: Concept used: Second law of thermodynamics is used. Heat flows from a hotter object to a colder one.

Q: For the same maximum pressure and temperature, A. Otto cycle is more efficient than Diesel cycle B.…

A: Option b is correct

Q: What is the physical explanation for the loss in entropy?

A: Physical Explanation of Entropy Entrpy is a measure of randomness of any system or associated with…

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: What is the efficiency of a Carnot engine operating as heat engine between two reservoirs at 500K…

A: The efficiency of the Carnot engine is 0.8.

Q: Define the system to be a chunk of dry ice. If the dry ice sublimates to gaseous carbon dioxide, did…

A: The system in this scenario is a chunk of dry ice, also known as solid carbon dioxide, which is a…

Q: Under which condition does the combined entropy of two interacting systems decrease? Group of…

A: According to third law of thermodynamics, entropy of a system can stay constant or increase but not…

Q: A heat engine provides a net power output of 14 kW and has an efficiency of 23 %. The engine rejects…

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Q: Four moles of an ideal diatomic gas change its volume from 2 m3 to 4 m3. The initial temperature of…

A: Diatomic Gas No. of moles = n = 4 R = 8.314 J/K Specific heat at constant pressure = Cp = 7/2(n)R…

Q: What is the work output per cycle of a Carnot engine that operates between reservoirs at 600 and 300…

A: Calculate the heat energy released T2T1=Q2Q1Q2=T2T1Q1=300 K600 K100 J=50 J