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

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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: 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: 0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following…

A: The heat transferred to the system divided by the system temperature is the entropy change of the…

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

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

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Q: Which is the most effective way to increase the efficiency of a Carnot heat engine:     a)…

A: The efficiency of Carnot engine is defined as, η=1-T2T1 Let the temperature of high-temperature…

Q: Consider a car’s gasoline engine. Construct a problem in which you calculate the maximum efficiency…

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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 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: A 100 ohms resistor carrying current of 1 Amp is maintained at a constant temperature of 30°C by a…

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Q: Which of the following is NOT a state function

A: This question can be done using thermodynamics

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: How could you design a Carnot engine with 100% efficiency?

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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: Problem 1: Otto cycle Prove directly (by calculating the heat taken in and the heat expelled) that…

A: Process 1-2 is adiabatic compression and 3-4 is adiabatic expansion. Heat is taken in during the…

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: 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: 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: 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…

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: What is the thermal efficiency of a Carnot cycle operating between 32F and 120F? 73% 48% none of the…

A: Given Temperature are given as TC=32 F and TH=120 F   We have to find the Carnot efficiency.

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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