Problem 1: Otto cycle Prove directly (by calculating the heat taken in and the heat expelled) that an Otto engine using an ideal gas as the working substance has an efficiency of e = 1 –

Q: Q1(a) State the Second Law of Thermodynamics and write its mathematical equation. (b) (c) The Carnot…

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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: What would be the efficiency of a Carnot engine operating with TH = TC ? What would be the…

A: Carnot engine operates when there is a temperature difference between the source and the sink.  If…

Q: Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below for a…

A: Given, the complete cycle of Carnot engine. The cycle goes from ad→ab→bc→cd

Q: 0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K.Above cup of tea iscooled…

A: Thermodynamics.

Q: A Carnot engine operates between reservoirs at 625 and 315 K. If the engine absorbs 115J per cycle…

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Q: A certain gasoline engine has an efficiency of 37.3%. What would the hot reservoir temperature be…

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

A: Given,output W=25kWtemperature TH=10000Ktemperature TC=3000K

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

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Q: Steam locomotives have an efficiency of 20.0% and operate with a hot steam temperature of 450°C.…

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Q: An ideal gas is taken through any four stage engine cycle ABCDA. What can you say about the entropy…

A: Here given a four stage engine cycle ABCDA. We have to talk about the entropy of the cycle and cycle…

Q: In each cycle of a Carnot engine, 96 J of heat is absorbed from the high-temperature reservoir and…

A: The amount of hear energy absorbed by the high-temperature  reservoir is QH=96 J. The amount of heat…

Q: 1. A Carnot engine operates between reservoirs at 590 and 295 K. If the engine absorbs 115J per…

A: High temperature TH=590 K Low temperature TL=295 K Work W=115 J

Q: A Carnot cycle with 75% efficiency, what is the minimum to maximum temperature ratio? O 3/4 O 4/3 O…

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

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Q: Calculate the entropy change associated with the isothermal compression of 0.720 mol of ideal gas…

A: Number of moles of gas,                                    The initial volume of gas,…

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: A Carnot engine extracts 200J of heat from a 600K hot reservoir every cycle. The cold reservoir…

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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 gasoline truck engine takes in 10,000 J of heat and delivers 2,000 J of mechanical work per cycle.…

A: Heat taken by engine: QH = 10,000J  Work done by engine: W = 2000 J

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: Answer below questions for a heat pump that puts in 80 J of heat into the hot reservoir per cycle…

A: Given data, Heat given to the hot reservoir (QH)=80 J Coefficient of performance (n)=4

Q: Equivalence of Carnot and Ideal gas Temperature Scale. Consider a Carnot engine working between…

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Q: a. Automobile fuel ignites at about 550 K. Estimate the Carnot efficiency assuming that this is the…

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Q: Describe in your own words the operation of a diesel engine, and explain how it is estimated by the…

A: A diesel engine is a kind of gas powered motor that works by heating fuel through the high…

Q: in a Carnot engine the temperatures TH and TL have values of 250°C and 150°C.  What efficiency, e,…

A: The Carnot efficiency of a heat engine cycle is the maximum theoretical efficiency a heat engine can…

Q: 2. Two bodies A ana B with constont totai heat capacities Cp, and Cp, and aifferent initial…

A: Given data, Initial temperature of A = TAo Initial temperature of B = TBo Heat capacity of A = CPA…

Q: Problem 7 Calculate the change in entropy of the system for reversibly heating 5.0 moles of a…

A: Given, Number of moles= 5 moles Temperature T1= 298 K T2= 346 K volume V= 2 L

Q: Consider the cycle using monoatomic ideal gas described by the PV diagram below. The process 1 2 is…

A: For a monoatomic ideal gas, the value of the adiabatic ratio is γ=1.67. Let us find the value of P2…

Q: System Stopcock closed Vacum

A: number of moles of the gas=1.0 mole Initial volume of the gas, Vi Final volume of the gas, Vf From…

Q: A gasoline engine has a compression ratio of 6.00 and uses a gas for which ? = 1.40. What is the…

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Q: A Carnot device operates between a cold reservoir of temperature -95'C and a hot reservoir of…

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Q: 1. A certain gasoline engine has an efficiency of 31%. What would the hot reservoir temperature be…

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Q: certain gasoline engine has an efficiency of 32.0%. What would the hot reservoir temperature (in °C)…

A: Given Temperature of sink = 2100 C = 210+273 = 483 K Efficiency = 32 %

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: A heat engine consists of the cycle shown for 3 moles of an ideal 2 2p monatomic gas. It starts at…

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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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