The efficiency of a gas turbine is much larger than that of a steam turbine since   Question 2 options:   the exhaust temperature is lower.   the operating temperature is lower.   the exhaust temperature is higher.   the operating temperature is higher.

Q: A refrigerator requires 10 J of work and exhausts 70 J of heat per cycle. What is the…

A: Given data :- Work done W = 10 J Heat exhausted Q = 70 J

Q: A Styrofoam cup holding 125 g of hot water at 100°C cools to room temperature, 20.0°C. What is the…

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Q: A freezer sustains a cold environment of -39°C and exhausts its heat at 38°C. Assume a Carnot cycle.…

A: The efficiency (η) of a Carnot cycle is given by: η=(Tc-Th)Tc Where:Tc is the temperature 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: A Carnot engine operates between the temperatures  Th = 100°C  and  Tc = 23°C.  By what factor…

A: Given Data: The temperature of the hot reservoir is, Th=100℃ The temperature of the cold reservoir…

Q: The entropy of a thermodynamic system in equilibrium is I zero 2 Always increasing 3 Always…

A: The entropy of a system can not decrease .

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: 4. (a) Calculate the theoretical efficiency for an Otto-cycle engine with ? = 1.40 and ? = 9.50. (b)…

A: in this question  we take a ideal otto cycles  efficiency  equation and put value  in it.

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

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Q: The turbines in steam power plants operate essentially under adiabatic conditions. A plant engineer…

A: The efficiency of the turbine is given by, Here, W is the net-work, and dQ is the heat supplied to…

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 gasoline engine has a compression ratio of 8.00 and uses a gas for which y = 1.40. (a) What is the…

A: Fhjknncc

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: A Carnot engine operates between the temperatures Th = 100°C and Tc = 20°C. By what factor does the…

A: Initially the efficiency is, Finally the efficiency is,

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 Carnot engine operates between two temperatures of 300°C and 130°C while absorbing 650 kJ of heat…

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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: The choices below are all efficiency ratings for heat engines. Which is a Carnot engine?

A: Efficiency of any Carnot engine is always less than 1.                                  η=1-T2T1<…

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: Two hundred joules of heat are removed from a heat reservoir at a temperature of 200 K. What is the…

A: Given data: The heat removed from a reservoir is: Q = 200 J The temperature at which heat is…

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: A Carnot engine operates between the temperatures Th = 100°C and Tc = 27°C. By what factor does…

A: It is given that,

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: In one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a…

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Q: A freezer is used to freeze 5.0 L of water completely into ice. The water and the freezer remain at…

A: The energy transferred from the water by heat can be obtained asSubstituting the values and solving…

Q: A Carnot engine operates between the temperatures Th = 100°C and Tc = 24°C. By what factor does the…

A: Theoretical efficiency of carnot engine : Effc=1-TcTh Given : Th=100°C=100+273=373 KTc=24°…

Q: Engine A receives 4 times more input heat, produces 6 tir more work, and rejects efficiency of (a)…

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Q: What is the efficiency of an ideal heat engine that operates on a Carnot cycle between 70 °F and…

A: Given Lower temperature (sink temperature) = 70 °F high temperature (source temperature = 1000 °F.…

Q: A heat engine with an efficiency of 0.45 absorbs 540 J of heat per cycle. a. How much work does it…

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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: 18. A perfect engine would have On the other hand, a perfect refrigerator would need which would…

A: The fill in the blanks. A perfect engine would have ......................., which would lead to an…

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: 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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Q: A heat engine takes in 400 J of energy from a hot reservoir and performs 21.0 J of work in each…

A: Given: The heat taken by the engine is 400 J. The work performed by the engine is 21 J.

Q: n one cycle a heat engine absorbs 460 J from a high-temperature reservoir and expels 310 J to a…

A: Efficiency of the engine ηh=1-QcQh55%ηcarnot=1-QcQh0.551-TlowThigh=1-QcQhTlowThigh=1-10.551-QcQh