A heat engine operates between two temperatures such that the working substance of the engine absorbs 5000 J of heat from the high-temperature bath and discharges 3000 J to the low-temperature bath. The rest of the energy is converted into mechanical energy of the turbine. Find (a) the amount of work produced by the engine and (b) the efficiency of the engine.

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Q: Suppose a certain heat engine has an efficiency of 25%. In order for this heat engine to do 450 J of…

A: Given data: The efficiency of engine is η=25%=0.25. The work done by engine is W=450 J.

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A: Given that  Th=1,870°C = 1870+273.15=2143.15 K Tc= 430°C=430+273.15=703.15 K

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Q: A heat engine with 100% efficiency is only a theoretical possibility. Explain.

A: Given:  Efficiency = 100 %

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A: Efficiency of heat engine is,  η=WQh Here, W is work done and Qh is heat taken by engine.  Given :…

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A: Input heat energy = 100 million joules Work done = 50 million joules

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A: Given: Lower temperature, T1 = 330 ℃ Higher temperature, T2 = 700 ℃ To determine : the maximum…

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A: The amount of work done to operate the refrigerator is calculated using the following formula: W =…

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

A: Given: The engine operates with sink temperature 25oC when it have an efficiency of 30%. To find:…

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A: Given data: Temperature of hot reservoir, Th=558 K Temperature of cold reservoir, Tc=305 K Output…

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A: The heat transferred or rejected from the engine is, QR=500 J   The efficiency, η=30%=0.30

Q: A heat engine is designed to do work. This is possible only if certain relationships between the…

A: Temperature of the source = ThHeat absorbed from the source = QhTemperature of the sink = TcHeat…

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Q: An engine that has an efficiency of 25% takes in 200 J of heat during each cycle. If the engine…

A: heat absorbed in one cycle = 200 J Heat absorbed in 4 cycles = 200 * 4  = 800 joules Heat absorbed…

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A: Given data The work performed by the heat engine is given as W = 200 J. The heat absorbed by the…

Q: A typical electric refrigerator has a power rating of 400 W, which is the rate (in J/s) at which…

A: The expression for find heat from the cold reservoir is W=Qh-QlQl=W-Qh

Q: What is the maximum efficiency of a heat engine operating between a hot heat reservoir at 800 K and…

A: Given, Temperature of a hot heat reservoir (Th) = 800 k Temperature of a cold heat reservoir (Tc) =…

Q: A Carnot heat engine receives 700kJ/s from a heat source and produces 430 kW of power. At what rate…

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Q: An engine with an efficiency of 0.34 absorbs 55 J from a heat reservoir in each cycle. If it…

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Q: Consider a heat engine transferring energy from a warm region (Tw) to a cool region (Tc) . Which…

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Q: If a heat engine pulls 8330.0 J of heat from the hot reservoir and exhausts 6938.9 J of heat to the…

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Q: A heat engine takes 1800 kcal of heat from a hot reservoir at 270oC and vents 1200 kcal to a cold…

A: Given,

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Q: Calculate the maximum possible efficiency of a heat engine that uses surface lake water at 20.7°C as…

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Q: A heat engine performs 483 J of work in each cycle and has an efficiency of 0.1. For each cycle, how…

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Q: What is the maximum efficiency of a heat engine whose operating temperatures are 560°C and 345°C?

A: Given data The hot temperature is given as Th=560°C. The cold temperature is given as Tc=345°C.…